Bittoun Kouzmine, Ouakaa - Kumasaka, Matsuda
21.07.2026, 11:00, Segovia challenger, round of 16, hard
| Bittoun Kouzmine Constantin | Kumasaka Takuya | |||
|---|---|---|---|---|
![]() |
246. | Doubles ranking | 1117. | ![]() |
| 4. 1. 1999 | Birthdate | 12. 10. 1998 | ||
| 175 cm | Height | 175 cm | ||
| 73 kg | Weight | 72 kg | ||
| left | Plays | right | ||
| - | Turned pro | - | ||
| Ouakaa Aziz | Matsuda Koki | |||
|---|---|---|---|---|
![]() |
379. | Doubles ranking | 510. | ![]() |
| 7. 8. 1999 | Birthdate | 31. 10. 2000 | ||
| - | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Bittoun Kouzmine Constantin Ouakaa Aziz |
Kumasaka Takuya Matsuda Koki |
|---|---|---|
| Indoors | - | - |
| Clay | - | - |
| Grass | - | - |
| Hard | 0/1 | 1/1 |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 10/5 | 5/1 | 5/4 | - | - | - |
| 2026 | 0/1 | - | 0/1 | - | - | - |
| 2025 | 9/2 | 5/1 | 4/1 | - | - | - |
| 2020 | 1/2 | - | 1/2 | - | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 1/2 | - | 1/2 | - | - | - |
| 2026 | 1/1 | - | 1/1 | - | - | - |
| 2024 | 0/1 | - | 0/1 | - | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 222/143 | 51/35 | 153/90 | 18/18 | - | - |
| 2026 | 36/15 | 0/1 | 33/14 | 3/0 | - | - |
| 2025 | 41/23 | 7/4 | 33/18 | 1/1 | - | - |
| 2024 | 36/19 | 13/9 | 23/10 | - | - | - |
| 2023 | 25/19 | 17/11 | 7/5 | 1/3 | - | - |
| 2022 | 42/20 | 11/4 | 27/13 | 4/3 | - | - |
| 2021 | 12/15 | 1/3 | 7/4 | 4/8 | - | - |
| 2020 | 4/9 | 0/1 | 4/8 | - | - | - |
| 2019 | 2/2 | 1/1 | 1/1 | - | - | - |
| 2018 | 16/15 | - | 12/14 | 4/1 | - | - |
| 2017 | 7/5 | - | 6/3 | 1/2 | - | - |
| 2015 | 1/1 | 1/1 | - | - | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 288/198 | 65/48 | 218/149 | - | - | 5/1 |
| 2026 | 17/11 | 2/3 | 15/8 | - | - | - |
| 2025 | 55/29 | 5/2 | 49/26 | - | - | 1/1 |
| 2024 | 50/25 | 26/11 | 22/14 | - | - | 2/0 |
| 2023 | 41/24 | 10/2 | 30/22 | - | - | 1/0 |
| 2022 | 47/21 | 0/2 | 47/19 | - | - | - |
| 2021 | 34/24 | 12/6 | 21/18 | - | - | 1/0 |
| 2020 | 16/17 | - | 16/17 | - | - | - |
| 2019 | 12/20 | 8/14 | 4/6 | - | - | - |
| 2018 | 16/24 | 2/5 | 14/19 | - | - | - |
| 2017 | 0/3 | 0/3 | - | - | - | - |
Head-to-head
No head-to-head record.
Betting odds
| Bittoun Kouzmine Constantin Ouakaa Aziz |
Kumasaka Takuya Matsuda Koki |
|
| Betfair | 1.02 |
1.02 |
| Average odds | 1.02 |
1.02 |
No odds
No odds
No odds
Latest matches
| Pozoblanco challenger, R16, 15.07.2026 | ||
| Perei / Vega - Bitto / Ouaka | 2:0 | |
| Futures 2025, F, 09.08.2025 | ||
| Bitto / Ouaka - Szymk / Wygon | 2:1 | |
| Futures 2025, SF, 08.08.2025 | ||
| Bitto / Ouaka - Andre / Jadou | 1:0 | |
| Futures 2025, QF, 07.08.2025 | ||
| Bitto / Ouaka - Ayyap / Sures | 2:1 | |
| Futures 2025, R16, 06.08.2025 | ||
| Bitto / Ouaka - Kleim / Voelz | 2:0 | |
| Futures 2025, QF, 31.07.2025 | ||
| Bax / Incha - Bitto / Ouaka | 2:1 | |
| Futures 2025, R16, 30.07.2025 | ||
| Bitto / Ouaka - Szymk / Wygon | 2:0 | |
| Abidjan 2 challenger, F, 27.04.2025 | ||
| Bitto / Ouaka - Baksh / Dev | 2:0 | |
| Abidjan 2 challenger, SF, 25.04.2025 | ||
| Bitto / Ouaka - Ganta / Kalya | 2:0 | |
| Abidjan 2 challenger, QF, 24.04.2025 | ||
| Bitto / Ouaka - Baadi / Couli | 2:1 | |
| Pozoblanco challenger, R16, 15.07.2026 | ||
| Perei / Vega - Bitto / Ouaka | 2:0 | |
| Futures 2026, F, 04.07.2026 | ||
| Azkar / Ozdem - Bitto / Blazk | 2:0 | |
| Futures 2026, SF, 03.07.2026 | ||
| Bitto / Blazk - Anava / Yilma | 1:0 | |
| Futures 2026, QF, 02.07.2026 | ||
| Bitto / Blazk - Dolzh / Vishe | 2:0 | |
| Futures 2026, R16, 01.07.2026 | ||
| Bitto / Blazk - Bodna / Karta | 2:0 | |
| Futures 2026, QF, 25.06.2026 | ||
| Herrm / Tepma - Bitto / Blazk | 2:0 | |
| Futures 2026, R16, 24.06.2026 | ||
| Bitto / Blazk - Kambo / Selez | 2:0 | |
| Futures 2026, SF, 19.06.2026 | ||
| Jiang / Qabaz - Bitto / Blazk | 2:1 | |
| Futures 2026, QF, 18.06.2026 | ||
| Bitto / Blazk - Gokpi / Kucuk | 2:0 | |
| Futures 2026, R16, 16.06.2026 | ||
| Bitto / Blazk - Kambo / Selez | 2:0 | |
| Pozoblanco challenger, R16, 15.07.2026 | ||
| Perei / Vega - Bitto / Ouaka | 2:0 | |
| Futures 2026, QF, 02.07.2026 | ||
| Blayd / Frusi - Cossu / Ouaka | 2:1 | |
| Futures 2026, R16, 30.06.2026 | ||
| Cossu / Ouaka - Benno / Herma | 2:0 | |
| Futures 2026, R16, 23.06.2026 | ||
| Cossu / Ross - Ouaka / Pokor | 2:1 | |
| Futures 2026, QF, 18.06.2026 | ||
| Bouch / Gales - Incha / Ouaka | 1:0 | |
| Futures 2026, R16, 16.06.2026 | ||
| Incha / Ouaka - Knani / Trifi | 2:0 | |
| Tunis challenger, QF, 14.05.2026 | ||
| Cerva / Karol - Ouaka / Simak | 2:0 | |
| Tunis challenger, R16, 13.05.2026 | ||
| Ouaka / Simak - Britt / Sarai | 2:1 | |
| Futures 2026, F, 02.05.2026 | ||
| Cossu / Ouaka - Colom / Ravas | 2:0 | |
| Futures 2026, SF, 01.05.2026 | ||
| Cossu / Ouaka - Plesh / Rejch | 2:0 | |
| Miyazaki challenger, QF, 02.04.2026 | ||
| Broad / Wende - Kumas / Matsu | 2:0 | |
| Miyazaki challenger, R16, 01.04.2026 | ||
| Kumas / Matsu - Sun / Wu | 2:0 | |
| Futures 2024, R16, 14.03.2024 | ||
| Imamu / Uesug - Kumas / Matsu | 2:0 | |
| Pozoblanco challenger, QF, 16.07.2026 | ||
| Azkar / Erel - Kumas / Vande | 2:0 | |
| Pozoblanco challenger, R16, 15.07.2026 | ||
| Kumas / Vande - Hered / Linde | 2:0 | |
| Futures 2026, SF, 19.06.2026 | ||
| Delan / Nakag - Kumas / Takah | 2:0 | |
| Futures 2026, QF, 19.06.2026 | ||
| Kumas / Takah - Kawac / Sumiz | 2:1 | |
| Futures 2026, R16, 16.06.2026 | ||
| Kumas / Takah - Matsu / Tomid | 2:0 | |
| Bangalore 3 challenger, QF, 21.05.2026 | ||
| Bar B / Lomak - Herna / Kumas | 2:1 | |
| Bangalore 3 challenger, R16, 20.05.2026 | ||
| Herna / Kumas - Gray / Stewa | 1:0 | |
| Futures 2026, R16, 05.05.2026 | ||
| Malas / Suksu - Kumas / Yaman | 2:0 | |
| Futures 2026, R16, 28.04.2026 | ||
| Leong / Papa - Kumas / Yaman | 2:0 | |
| Futures 2026, R16, 22.04.2026 | ||
| Charl / Wang - Dev / Kumas | 2:0 | |
| Futures 2026, SF, 10.07.2026 | ||
| Kusuh / Nakag - Jeong / Matsu | 2:0 | |
| Futures 2026, QF, 09.07.2026 | ||
| Jeong / Matsu - Mitsu / Nakag | 2:0 | |
| Futures 2026, R16, 08.07.2026 | ||
| Jeong / Matsu - Matsu / Taguc | 2:0 | |
| Futures 2026, R16, 01.07.2026 | ||
| Fukud / Nakag - Matsu / Takah | 2:0 | |
| Futures 2026, QF, 28.05.2026 | ||
| Kawah / Shira - Matsu / Takah | 2:0 | |
| Futures 2026, R16, 27.05.2026 | ||
| Matsu / Takah - Idoga / Otsuk | 2:1 | |
| Futures 2026, SF, 17.04.2026 | ||
| Hudd / Hulme - Ichik / Matsu | 2:1 | |
| Futures 2026, QF, 16.04.2026 | ||
| Ichik / Matsu - Ogura / Takah | 2:0 | |
| Futures 2026, R16, 15.04.2026 | ||
| Ichik / Matsu - Honda / Oh | 2:0 | |
| Miyazaki challenger, QF, 02.04.2026 | ||
| Broad / Wende - Kumas / Matsu | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Bastad | 2 | |||
| Estoril | 20 | |||
| Gstaad | 2 | |||
| Kitzbühel | 20 | |||
| Hamburg WTA | 20 | |||
| Iasi WTA | 2 | |||
| Livesport Prague Open | 25 | |||
| Athens WTA | 2 | |||
| Lower level tournaments | ||||
| Bloomfield Hills challenger | 8 | |||
| Zug challenger | 30 | |||
| Granby challenger | 1 | |||
| Winnipeg challenger | 8 | |||
| Bunschoten challenger | 1 | |||
| Cordenons challenger | 1 | |||
| Pozoblanco challenger | 1 | |||
| Segovia challenger | 8 | |||
| Tampere challenger | 30 | |||
| UTR Pro Tennis Series 3 | 31 | |||
| UTR Pro Tennis Series 5 | 17 | |||
| UTR Pro Tennis Series 9 | 15 | |||
| Ultimate Tennis Showdown | 1 | |||
| Istanbul 10 ITF | 1 | |||
| Palermo | 16 | |||
| Amstetten ITF | 16 | |||
| Kitzbühel WTA | 1 | |||
| Rome 2 WTA | 1 | |||
| Granby ITF | 1 | |||
| Olomouc ITF | 1 | |||
| Darmstadt ITF | 1 | |||
| Dallas 2 ITF | 1 | |||
| Turin ITF | 1 | |||
| UTR Pro Tennis Series 5 | 14 | |||
| UTR Pro Tennis Series 9 | 18 | |||
| Astana 7 ITF | 1 | |||
| Cluj-Napoca ITF | 30 | |||
| Hillcrest 3 ITF | 1 | |||
| Krsko ITF | 1 | |||
| Kursumlijska Banja 10 ITF | 1 | |||
| Kursumlijska Banja 11 ITF | 16 | |||
| Luan 4 ITF | 2 | |||
| Monastir 44 ITF | 2 | |||
| UTR Pro Match Series | 34 | |||
- Player's profile
- Tournament search
- Head-to-head
- Interesting matches






