Sema - Koga
15.07.2006, Kurume ITF, Qualification - 1. round, grass
| Sema Erika | 2 : 0 (7-67, 6-3) |
Koga Aimi | ||
|---|---|---|---|---|
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632. | Singles ranking | -. | |
| 24. 11. 1988 | Birthdate | 19. 6. 1987 | ||
| - | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Sema Erika | Koga Aimi |
|---|---|---|
| Indoors | 0/1 | - |
| Clay | - | - |
| Grass | - | - |
| Hard | 4/5 | - |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 571/494 | 52/53 | 439/360 | 46/48 | 34/33 | - |
| 2026 | 4/6 | - | 4/5 | 0/1 | - | - |
| 2025 | 28/26 | - | 23/24 | 5/2 | - | - |
| 2024 | 30/26 | 4/4 | 26/22 | - | - | - |
| 2023 | 37/28 | 2/2 | 34/23 | 0/1 | 1/2 | - |
| 2022 | 32/25 | 4/2 | 28/20 | 0/3 | - | - |
| 2021 | 31/23 | 13/7 | 18/16 | - | - | - |
| 2020 | 6/4 | - | 6/4 | - | - | - |
| 2019 | 24/28 | 1/1 | 21/25 | 2/2 | - | - |
| 2018 | 19/27 | 0/1 | 19/26 | - | - | - |
| 2017 | 40/30 | - | 39/29 | 1/1 | - | - |
| 2016 | 22/28 | 1/2 | 19/22 | 1/1 | 1/3 | - |
| 2015 | 30/26 | 1/2 | 27/21 | 0/1 | 2/2 | - |
| 2014 | 17/25 | 1/3 | 13/14 | 1/3 | 2/5 | - |
| 2013 | 30/24 | 2/2 | 25/19 | - | 3/3 | - |
| 2012 | 23/31 | 2/6 | 15/18 | 4/4 | 2/3 | - |
| 2011 | 43/28 | 6/8 | 28/15 | 4/2 | 5/3 | - |
| 2010 | 37/22 | 3/6 | 27/11 | 4/2 | 3/3 | - |
| 2009 | 47/26 | 6/3 | 29/14 | 10/8 | 2/1 | - |
| 2008 | 7/13 | 0/1 | 3/8 | 2/3 | 2/1 | - |
| 2007 | 39/20 | - | 26/13 | 6/4 | 7/3 | - |
| 2006 | 13/15 | 2/1 | 5/6 | 5/5 | 1/3 | - |
| 2005 | 8/8 | 4/1 | 1/4 | 0/2 | 3/1 | - |
| 2004 | 4/4 | - | 3/1 | 1/3 | - | - |
| 2003 | 0/1 | 0/1 | - | - | - | - |
Head-to-head: 1 - 0
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | Kurume ITF | Sema | 2 | 7 | 6 | Q-1R | ||||
| Koga | 0 | 67 | 3 |
Betting odds
Latest matches
- Sema
| Osaka ITF, Q-1R, 05.04.2026 | ||
| Uemura - Sema | 2:1 | |
| Kofu ITF, Q-1R, 15.03.2026 | ||
| Tian - Sema | 2:1 | |
| Kyoto 2 ITF, Q-1R, 09.03.2026 | ||
| Sato - Sema | 2:0 | |
| Brisbane 2 ITF, R16, 12.02.2026 | ||
| Hibino - Sema | 2:0 | |
| Brisbane 2 ITF, 1R, 10.02.2026 | ||
| Sema - Khan | 2:0 | |
| Brisbane 3 ITF, Q-R16, 02.02.2026 | ||
| Stevens - Sema | 2:0 | |
| Monastir 17 ITF, SF, 10.01.2026 | ||
| Ansari - Sema | 2:0 | |
| Monastir 17 ITF, QF, 09.01.2026 | ||
| Sema - Kitahara | 2:0 | |
| Monastir 17 ITF, R16, 08.01.2026 | ||
| Sema - Popescu | 2:0 | |
| Monastir 17 ITF, 1R, 07.01.2026 | ||
| Sema - Suvirdjonkova | 1:0 | |
- Koga
| Tokyo 2 ITF, Q-2R, 12.08.2006 | ||
| Watanabe - Koga | 2:0 | |
| Kurume ITF, Q-1R, 15.07.2006 | ||
| Sema - Koga | 2:0 | |
| Kurume ITF, Q-R16, 17.07.2005 | ||
| Hisami - Koga | 2:0 | |
| Kurume ITF, Q-1R, 16.07.2005 | ||
| Koga - Lyoo-Suh | 2:1 | |
| Yamaguchi ITF, Q-1R, 16.04.2005 | ||
| Takemoto - Koga | 2:1 | |
| Kyoto ITF, Q-1R, 11.09.2004 | ||
| Fujishiro - Koga | 2:0 | |
| Yamaguchi ITF, 1R, 13.04.2004 | ||
| Taguchi - Koga | 2:0 | |
| Yamaguchi ITF, Q-R16, 11.04.2004 | ||
| Koga - Nakano | 2:1 | |
| Yamaguchi ITF, Q-1R, 10.04.2004 | ||
| Koga - Konishi | 2:1 | |
| Sutama ITF, Q-1R, 25.10.2003 | ||
| Karikomi - Koga | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Monte Carlo | 2 | |||
| Barcelona | 17 | |||
| Munich | 24 | |||
| Linz | 2 | |||
| Stuttgart | 20 | |||
| Rouen WTA | 25 | |||
| Lower level tournaments | ||||
| Busan challenger | 29 | |||
| Mexico City challenger | 2 | |||
| Monza challenger | 1 | |||
| Oeiras challenger | 31 | |||
| Campinas challenger | 1 | |||
| Santa Cruz challenger | 8 | |||
| Sarasota challenger | 1 | |||
| Tallahassee chall. | 8 | |||
| Madrid challenger | 1 | |||
| Wuning 2 challenger | 27 | |||
| Wuning challenger | 1 | |||
| UTR Pro Tennis Series | 9 | |||
| UTR Pro Tennis Series 3 | 42 | |||
| UTR Pro Tennis Series 5 | 24 | |||
| Oeiras WTA | 8 | |||
| Madrid 19 ITF | 1 | |||
| Calvi ITF | 1 | |||
| Bujumbura ITF | 1 | |||
| Anning ITF | 1 | |||
| Boca Raton 3 ITF | 1 | |||
| Luzhou ITF | 16 | |||
| Miyazaki ITF | 26 | |||
| Santa Margherita Di Pula 2 ITF | 1 | |||
| UTR Pro Tennis Series 5 | 24 | |||
| Bonita Springs ITF | 1 | |||
| Monastir 30 ITF | 2 | |||
| Monastir 31 ITF | 16 | |||
| Pretoria ITF | 11 | |||
| Sharm El Sheikh 11 ITF | 1 | |||
| Sharm El Sheikh 12 ITF | 16 | |||
| Singapore 6 ITF | 16 | |||
| UTR Pro Match Series | 27 | |||
| UTR Pro Tennis Series | 6 | |||
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