| Date | Category | Player | Score | Opponent | Tournament |
|---|---|---|---|---|---|
| 2020-10-26 | 16 | Tania Sejdinović | 6-2 6-1 | Manuella Persson | OP TK OPATIJA |
| 2020-10-26 | 16 | Sejdinović/Zuban | W.O. | Piškulić/Piškulić | OP TK OPATIJA |
| 2020-10-25 | 16 | Tania Sejdinović | 6-0 6-0 | Gloria Glavičić | OP TK OPATIJA |
| 2020-10-25 | 16 | Tania Sejdinović | 6-1 6-1 | Sofia Grkoviä‡ | OP TK OPATIJA |
| 2020-10-19 | 14 | Sejdinović/Zuban | 6-2 7-6(3) | Les/Peskar Majoli | OP RABAC |
| 2020-10-18 | 14 | Sejdinović/Zuban | 6-1 6-3 | Baki/Kolak | OP RABAC |
| 2020-10-17 | 14 | Tania Sejdinović | 6-1 6-2 | Nika Sikirica | OP RABAC |
| 2020-08-30 | 14 | Tania Sejdinović | 6-2 6-0 | Nika Dragičević | LINO KUP |
| 2020-08-30 | 14 | Tania Sejdinović | 6-0 6-3 | Anea Šimunović | LINO KUP |
| 2020-08-30 | 14 | Sejdinović/Žufić | 6-4 6-7(6) 10/5 | Bulić/Kajtazi | LINO KUP |
| 2020-08-29 | 14 | Tania Sejdinović | 7-6(6) 6-1 | Dora Drempetić | LINO KUP |
| 2020-08-18 | 14 | Tania Sejdinović | 6-2 6-1 | Magdalena Jelić-Rozić | OP TK TOP SPIN |
| 2020-08-01 | 16 | Tania Sejdinović | 2-6 6-4 6-0 | Roza Piškulić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-08-01 | 16 | Sejdinović/Žufić | 6-1 6-4 | Piškulić/Piškulić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-07-29 | 14 | Tania Sejdinović | 6-1 6-4 | Magdalena Jelić-Rozić | OP TK VRBOVEC |
| 2020-07-28 | 14 | Tania Sejdinović | 6-2 6-0 | Leonarda Kluković | OP TK VRBOVEC |
| 2020-07-28 | 14 | Sejdinović/Žufić | 3-6 6-1 11/9 | Rašan-Buha/Sunara | OP TK VRBOVEC |
| 2020-07-27 | 14 | Tania Sejdinović | 6-0 6-2 | Dora Futivić | OP TK VRBOVEC |
| 2020-07-27 | 14 | Tania Sejdinović | 6-1 6-3 | Tamara Balent | OP TK VRBOVEC |
| 2020-06-10 | 14 | Sejdinović/Žufić | 6-1 6-4 | Biondić/Brozina | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-06-10 | 14 | Sejdinović/Žufić | 6-2 6-3 | Jercog/Mesarić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-06-09 | 14 | Sejdinović/Žufić | 6-3 6-1 | Hero/Maravić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-06-08 | 14 | Tania Sejdinović | 6-1 6-2 | Lucija Zupičić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-06-08 | 14 | Tania Sejdinović | 6-1 7-5 | Sofia Grković | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-06-07 | 14 | Tania Sejdinović | 6-4 6-1 | Mia Brozina | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2020-03-07 | 14 | Tania Sejdinović | 6-2 6-0 | Paula Šaban | LOŠINJ-JADRANKA KUP |
| 2020-03-07 | 14 | Sejdinović/Žufić | 6-3 7-6(9) | Hrvatin/Zupičić | LOŠINJ-JADRANKA KUP |
| 2020-03-06 | 14 | Tania Sejdinović | 6-2 6-1 | Dora Maslać | LOŠINJ-JADRANKA KUP |
| 2020-03-06 | 14 | Tania Sejdinović | 6-3 6-4 | Ani Čupić | LOŠINJ-JADRANKA KUP |
| 2019-11-23 | 16 | Tania Sejdinović | 6-1 6-1 | Ines Bedeković | DVORANSKI BABOLAT ZAGI KUP |
| 2019-11-10 | 14 | Tania Sejdinović | 6-1 6-2 | Magdalena Jelić-Rozić | DVORANSKO OP TK OGULIN |
| 2019-11-02 | 14 | Tania Sejdinović | 6-0 6-2 | Lucija Rastočić | DVORANSKI BABOLAT ZAGI KUP |
| 2019-10-26 | 14 | Tania Sejdinović | 6-0 6-0 | Sofija Ćorić | DVORANSKO OP TK PONIKVE |
| 2019-10-26 | 14 | Tania Sejdinović | 6-2 3-0 RET. | Katarina Sindičić | DVORANSKO OP TK PONIKVE |
| 2019-10-14 | 12 | Kovačić/Sejdinović | 6-1 6-3 | Čakarun/Čupić | 22. OP OPATIJE |
| 2019-10-14 | 12 | Kovačić/Sejdinović | 6-1 6-2 | Brozina/Mesarić | 22. OP OPATIJE |
| 2019-10-13 | 12 | Tania Sejdinović | 6-1 6-7(1) 6-1 | Nika Čakarun | 22. OP OPATIJE |
| 2019-10-13 | 12 | Tania Sejdinović | 7-5 6-2 | Mia Brozina | 22. OP OPATIJE |
| 2019-10-13 | 12 | Kovačić/Sejdinović | 6-3 6-1 | Mihalić/Sabljak | 22. OP OPATIJE |
| 2019-10-12 | 12 | Tania Sejdinović | 6-4 6-0 | Petra Kolak | 22. OP OPATIJE |
| 2019-09-28 | 14 | Tania Sejdinović | 3-6 7-6(3) 7-5 | Ivona Omeragić | OP TK RUKAVAC |
| 2019-09-28 | 14 | Kovačić/Sejdinović | 6-1 6-1 | Piškulić/Piškulić | OP TK RUKAVAC |
| 2019-09-23 | 12 | Tania Sejdinović | 6-1 6-4 | Dora Maslać | OP TK RABAC |
| 2019-09-22 | 12 | Tania Sejdinović | 6-3 6-2 | Nea Jercog | OP TK RABAC |
| 2019-09-22 | 12 | Tania Sejdinović | 6-0 6-3 | Kiara Šurija | OP TK RABAC |
| 2019-09-22 | 12 | Baki/Sejdinović | 6-3 6-3 | Hrvatin/Zupičić | OP TK RABAC |
| 2019-09-21 | 12 | Tania Sejdinović | 6-2 6-1 | Mia Hero | OP TK RABAC |
| 2019-09-21 | 12 | Tania Sejdinović | 7-6(6) 6-1 | Sofia Kovačić | OP TK RABAC |
| 2019-09-02 | 12 | Kardum/Sejdinović | 5-7 6-4 10/8 | Balić/Resanović | OP TK OGULIN |
| 2019-09-02 | 12 | Kardum/Sejdinović | W.O. | Baki/Kovačić | OP TK OGULIN |
| 2019-09-01 | 12 | Tania Sejdinović | 6-1 6-4 | Helena Balić | OP TK OGULIN |
| 2019-09-01 | 12 | Tania Sejdinović | 6-0 6-1 | Marinela Mihalić | OP TK OGULIN |
| 2019-09-01 | 12 | Kardum/Sejdinović | 6-7(4) 6-1 10/3 | Bukvić/Ivković | OP TK OGULIN |
| 2019-08-31 | 12 | Tania Sejdinović | 6-1 6-4 | Lucija Laušić | OP TK OGULIN |
| 2019-08-25 | 14 | Tania Sejdinović | 6-1 6-0 | Manuella Persson | OP TK RABAC |
| 2019-08-24 | 14 | Tania Sejdinović | 6-4 6-3 | Agata Vratović | OP TK RABAC |
| 2019-08-24 | 14 | Tania Sejdinović | 6-0 6-0 | Nicoletta Milevoj | OP TK RABAC |
| 2019-07-20 | 14 | Tania Sejdinović | 6-0 6-1 | Mia Burić | OP TK PONIKVE |
| 2019-07-20 | 14 | Sejdinović/Vratović | 6-3 6-1 | Pavlović/Vukoja | OP TK PONIKVE |
| 2019-07-14 | 12 | Tania Sejdinović | 6-2 6-1 | Veronika Bulaku | SAN SPIN CUP |
| 2019-07-13 | 12 | Tania Sejdinović | 6-2 6-2 | Paula Ivković | SAN SPIN CUP |
| 2019-07-13 | 12 | Janko/Sejdinović | 6-3 6-0 | Ivković/Petrović | SAN SPIN CUP |
| 2019-07-07 | 14 | Tania Sejdinović | 6-2 6-1 | Lucija Zupičić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2019-07-06 | 14 | Tania Sejdinović | 6-3 4-6 7-5 | Ani Čupić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2019-07-06 | 14 | Tania Sejdinović | 6-3 6-2 | Agata Vratović | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2019-07-06 | 14 | Janko/Sejdinović | 6-1 6-0 | Piškulić/Piškulić | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2019-06-29 | 14 | Tania Sejdinović | 6-3 6-1 | Magdalena Šelendić | OP RIJEKE |
| 2019-06-29 | 14 | Janko/Sejdinović | 6-0 6-1 | Knez/Persson | OP RIJEKE |
| 2019-06-24 | 12 | Tania Sejdinović | 6-0 6-2 | Astrid Joha-bilić | OP TK KVARNER |
| 2019-06-24 | 12 | Janko/Sejdinović | W.O. | Giergia/Joha-bilić | OP TK KVARNER |
| 2019-06-23 | 12 | Tania Sejdinović | 6-7(5) 6-3 6-3 | Viktoria Hrvatin | OP TK KVARNER |
| 2019-06-23 | 12 | Tania Sejdinović | 7-6(1) 6-0 | Iskra Sinković | OP TK KVARNER |
| 2019-06-23 | 12 | Tania Sejdinović | 6-4 6-0 | Nika Baki | OP TK KVARNER |
| 2019-06-23 | 12 | Janko/Sejdinović | 6-0 6-7(4) 11/9 | Brusich/Grgić | OP TK KVARNER |
| 2019-06-23 | 12 | Janko/Sejdinović | 6-2 6-3 | Sinković/Vuletović | OP TK KVARNER |
| 2019-06-22 | 12 | Tania Sejdinović | 6-1 6-2 | Nina Belušić | OP TK KVARNER |
| 2019-06-09 | 14 | Sejdinović/Vratović | 6-2 6-1 | Piškulić/Piškulić | OP OPATIJE |
| 2019-06-08 | 14 | Tania Sejdinović | 6-1 6-1 | Maja Stupar | OP OPATIJE |
| 2019-06-08 | 14 | Tania Sejdinović | 6-0 6-2 | Jessica Konc | OP OPATIJE |
| 2019-05-27 | 12 | Tania Sejdinović | 6-1 6-3 | Helena Balić | OP TK LOŠINJ-JADRANKA |
| 2019-05-26 | 12 | Sejdinović/Šurija | 6-1 6-0 | Balić/Majoli Peskar | OP TK LOŠINJ-JADRANKA |
| 2019-05-26 | 12 | Sejdinović/Šurija | 6-3 1-6 10/7 | Ivković/Vidan | OP TK LOŠINJ-JADRANKA |
| 2019-05-26 | 12 | Tania Sejdinović | 6-3 6-1 | Nika Mesarić | OP TK LOŠINJ-JADRANKA |
| 2019-05-25 | 12 | Tania Sejdinović | 7-5 4-6 6-0 | Paula Ivković | OP TK LOŠINJ-JADRANKA |
| 2019-05-25 | 12 | Tania Sejdinović | 3-6 6-0 6-1 | Kiara Šurija | OP TK LOŠINJ-JADRANKA |
| 2019-05-25 | 12 | Sejdinović/Šurija | 6-3 6-1 | Belušić/Vuletović | OP TK LOŠINJ-JADRANKA |
| 2019-04-07 | 12 | Tania Sejdinović | 6-2 6-2 | Lucija Zupičić | REGIONALNO PRVENSTVO ISTRA I PRIMORJE |
| 2019-04-07 | 12 | Tania Sejdinović | 6-1 2-6 6-2 | Nika Baki | REGIONALNO PRVENSTVO ISTRA I PRIMORJE |
| 2019-04-06 | 12 | Tania Sejdinović | 6-0 6-0 | Lora Janko | REGIONALNO PRVENSTVO ISTRA I PRIMORJE |
| 2019-04-06 | 12 | Janko/Sejdinović | 6-1 6-0 | Zupičić/Čupić | REGIONALNO PRVENSTVO ISTRA I PRIMORJE |
| 2018-11-17 | 12 | Tania Sejdinović | 6-0 2-6 6-4 | Ana Vasilj | DVORANSKO OP TK PONIKVE |
| 2018-11-11 | 12 | Sejdinović/Žufić | 6-1 6-4 | Zupičić/Čupić | 22. OP OPATIJE |
| 2018-11-10 | 12 | Tania Sejdinović | 6-1 6-1 | Viky Čarapović | 22. OP OPATIJE |
| 2018-10-28 | 14 | Tania Sejdinović | 6-0 6-0 | Dora Mišković | DVORANSKO OP TK PONIKVE |
| 2018-10-27 | 14 | Tania Sejdinović | 6-4 6-1 | Ana Vasilj | DVORANSKO OP TK PONIKVE |
| 2018-10-13 | 14 | Tania Sejdinović | 6-1 7-5 | Iva Božić | DVORANSKI BABOLAT ZAGI KUP |
| 2018-09-29 | 14 | Tania Sejdinović | 6-7(4) 6-4 6-3 | Agata Vratović | OP TK RUKAVAC |
| 2018-09-29 | 14 | Tania Sejdinović | 6-4 6-2 | Nika Petrović | OP TK RUKAVAC |
| 2018-09-23 | 12 | Tania Sejdinović | 6-1 6-3 | Viky Čarapović | OP TK RABAC |
| 2018-09-23 | 12 | Sejdinović/Žufić | 6-1 6-1 | Tomeljak/Zupičić | OP TK RABAC |
| 2018-09-23 | 12 | Sejdinović/Žufić | 6-1 6-0 | Belušić/Milevoj | OP TK RABAC |
| 2018-09-22 | 12 | Tania Sejdinović | 6-0 6-1 | Lucija Zupičić | OP TK RABAC |
| 2018-09-22 | 12 | Tania Sejdinović | 6-1 6-1 | Nina Belušić | OP TK RABAC |
| 2018-09-20 | 12 | Tania Sejdinović | 6-3 7-6(7) | Leona Juraj Špirić | OP TK OGULIN |
| 2018-09-20 | 12 | Sejdinović/Žufić | 6-4 6-3 | Jelić-rozić/Majoli Peskar | OP TK OGULIN |
| 2018-09-20 | 12 | Sejdinović/Žufić | 7-5 7-6(6) | Magdić/Mihalić | OP TK OGULIN |
| 2018-08-25 | 12 | Tania Sejdinović | 6-2 4-6 6-2 | Andrea Kardum | OP TK KARLOVAC |
| 2018-06-24 | 12 | Sejdinović/Žufić | 6-0 6-1 | Trunečkova/Špitova | OP TK KVARNER |
| 2018-06-24 | 12 | Sejdinović/Žufić | 4-6 6-2 10/6 | Maslać/Petrović | OP TK KVARNER |
| 2018-06-23 | 12 | Tania Sejdinović | 6-0 6-0 | Sofia Kovačič | OP TK KVARNER |
| 2018-06-23 | 12 | Tania Sejdinović | 6-2 7-5 | Ani Čupić | OP TK KVARNER |
| 2018-06-22 | 12 | Tania Sejdinović | 6-0 6-0 | Lucija Zupičić | OP TK KVARNER |
| 2018-05-30 | 12 | Tania SEJDINOVIĆ | 2-6 7-6(1) 5-2 RET. | Barbora CULMANOVA | OP TK LOŠINJ-JADRANKA |
| 2018-05-30 | 12 | Tania SEJDINOVIĆ | 6-0 6-0 | Lucija ZUPIČIĆ | OP TK LOŠINJ-JADRANKA |
| 2018-05-27 | 12 | SejdinoviĆ/Žufić | 6-3 6-3 | HRVATIN/Zupičić | OP TK LOŠINJ-JADRANKA |
| 2018-05-27 | 12 | SejdinoviĆ/Žufić | 6-1 7-6(5) | CULMANOVA/ČUPIĆ | OP TK LOŠINJ-JADRANKA |
| 2018-04-10 | 12 | Tania SEJDINOVIĆ | 6-2 6-7(6) 6-3 | Nika PETROVIĆ | REGIONALNO PRVENSTVO ISTRA I PRIMORJE |
| 2018-04-10 | 12 | SEJDINOVIĆ/ŽUFIĆ | 6-0 1-6 11/9 | BABIĆ/OMERAGIĆ | REGIONALNO PRVENSTVO ISTRA I PRIMORJE |
| 2018-04-10 | 12 | SEJDINOVIĆ/ŽUFIĆ | 6-0 6-1 | SINKOVIĆ/SOPTA | REGIONALNO PRVENSTVO ISTRA I PRIMORJE |
| 2018-03-30 | 14 | Tania SEJDINOVIĆ | 6-0 6-0 | Laura VELNIĆ | REGIONALNO PRVENSTVO ISTRE I PRIMORJA |
| 2018-02-17 | 12 | Tania SEJDINOVIĆ | 6-0 6-0 | Lorena TOMIĆ | Dvoransko Babolat ZAGI Kup |
| 2018-02-10 | 12 | Tania SEJDINOVIĆ | 6-0 6-0 | Ana Karla PAVLOVIĆ | DVORANSKO OP PONIKVE 12 |