| Date | Category | Player | Score | Opponent | Tournament |
|---|---|---|---|---|---|
| 2019-12-21 | 12 | Joachim Mika Gunawan | 8-2 | Muhammad Marco | BSJ/Medco Energi FIKS sportama junior tenis open |
| 2019-12-21 | 12 | Joachim Mika Gunawan | 8-5 | Ahmad Radhil Annadif | BSJ/Medco Energi FIKS sportama junior tenis open |
| 2019-11-25 | All | Joachim Mika Gunawan | 6-4 | Jamond Tsang Suwandi | BSJ/Sportama Junior Championships VIII |
| 2019-11-25 | All | Joachim Mika Gunawan | 6-0 | Jason Suryadi | BSJ/Sportama Junior Championships VIII |
| 2019-11-24 | 12 | Joachim Mika Gunawan | 6-3 6-0 | Paul Jason Sutisna | BSJ/Sportama Junior Championships VIII |
| 2019-10-28 | All | Gunawan/Widjaja | 8-3 | Da Costa/Urwah Muqorib | BSJ/Amman Mineral Junior Open- Jakarta (Age Group Event- kids only) |
| 2019-10-26 | All | Joachim Mika Gunawan | 8-2 | Rafalentino Da Costa | BSJ/Amman Mineral Junior Open- Jakarta (Age Group Event- kids only) |
| 2019-10-26 | All | Joachim Mika Gunawan | 8-0 | Gabriel Majampoh | BSJ/Amman Mineral Junior Open- Jakarta (Age Group Event- kids only) |
| 2019-09-30 | 12 | Joachim Mika Gunawan | 6-3 6-1 | Rafa Jeconia Verdasco | BSJ/Sportama Junior Championships VII (Age Group Event-kids only) |
| 2019-09-30 | 12 | Joachim Mika Gunawan | 6-4 6-3 | Raphael Rio Suryana | BSJ/Sportama Junior Championships VII (Age Group Event-kids only) |
| 2019-08-26 | All | Joachim Mika Gunawan | 6-0 | Gardan Hermawan | BSJ/Sportama Tennis Championships VI (Age Group Event-kids only) |
| 2019-08-26 | All | Joachim Mika Gunawan | 6-3 | Jason Suryadi | BSJ/Sportama Tennis Championships VI (Age Group Event-kids only) |
| 2019-08-24 | All | Joachim Mika Gunawan | 6-4 6-3 | Rafa Jeconia Verdasco | BSJ/Sportama Tennis Championships VI (Age Group Event-kids only) |
| 2019-07-29 | All | Joachim Mika Gunawan | W.O. | Joseph Owen Lauw | BSJ/Sportama Junior Championships V |
| 2019-07-28 | All | Joachim Mika Gunawan | 3-6 6-3 10/6 | Gardan Hermawan | BSJ/Sportama Junior Championships V |
| 2019-07-05 | All | Gunawan/Listijadhi | 8-1 | Fauzan/Marciano | BSJ/Thamrin Cup |
| 2019-07-02 | All | Joachim Mika Gunawan | 8-2 | M. Mouressi Urwah Muqorib | BSJ/Thamrin Cup |
| 2019-06-24 | 12 | Joachim Mika Gunawan | 8-3 | Shiryu Sakamoto | BSJ/Sportama Junior Championships IV |
| 2019-06-24 | 12 | Joachim Mika Gunawan | 8-4 | Reifan Mu'izzataya Martadiredja | BSJ/Sportama Junior Championships IV |
| 2019-06-24 | 12 | Joachim Mika Gunawan | W.O. | Muhammad Alfaradu Sumirat | BSJ/Sportama Junior Championships IV |
| 2019-06-23 | 12 | Joachim Mika Gunawan | 6-3 4-6 11/9 | Rafa Jeconia Verdasco | BSJ/Sportama Junior Championships IV |
| 2019-05-04 | All | Gunawan/Suwandi | 6-4 | Ade Rahmantoro/Elliott | BSJ OPEN May- Doubles (Level Based- Open to Kids and Adults) |
| 2019-05-04 | All | Gunawan/Suwandi | 6-0 | Budiono/Kurniawan | BSJ OPEN May- Doubles (Level Based- Open to Kids and Adults) |
| 2019-04-22 | All | Joachim Mika Gunawan | 6-2 | Jason Suryadi | BSJ/Sportama Junior Championships III (Age Group Event) |
| 2019-04-22 | All | Joachim Mika Gunawan | 6-3 | Bryan Wilson Purnama | BSJ/Sportama Junior Championships III (Age Group Event) |
| 2019-04-22 | All | Joachim Mika Gunawan | W.O. | Aldebaran Faza Utama | BSJ/Sportama Junior Championships III (Age Group Event) |
| 2019-04-19 | All | Joachim Mika Gunawan | 6-2 6-2 | Rafa Jeconia Verdasco | BSJ/Sportama Junior Championships III (Age Group Event) |
| 2019-03-09 | All | Joachim Mika Gunawan | 6-0 6-3 | M. Mouressi Urwah Muqorib | BSJ/Sportama Junior Championships II |
| 2019-03-08 | All | Joachim Mika Gunawan | 6-0 6-0 | Gael Omar Fule Mulyana | BSJ/Sportama Junior Championships II |