Sema - Oka
18.10.2011, Makinohara ITF, 1. round, indoors
| Sema Erika | 2 : 0 (6-1, 6-4) |
Oka Ayumi | ||
|---|---|---|---|---|
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589. | Singles ranking | -. | |
| 24. 11. 1988 | Birthdate | 13. 3. 1986 | ||
| - | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Sema Erika | Oka Ayumi |
|---|---|---|
| Indoors | 5/2 | - |
| Clay | - | - |
| Grass | - | - |
| Hard | 20/19 | - |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 564/483 | 52/53 | 432/350 | 46/47 | 34/33 | - |
| 2025 | 25/21 | - | 20/19 | 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 | - | - | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 176/149 | 15/10 | 78/73 | 70/52 | 13/14 | - |
| 2012 | 7/5 | - | 7/5 | - | - | - |
| 2011 | 21/18 | - | 13/10 | 6/6 | 2/2 | - |
| 2010 | 17/20 | 3/1 | 5/10 | 8/7 | 1/2 | - |
| 2009 | 23/22 | 1/1 | 8/11 | 10/8 | 4/2 | - |
| 2008 | 29/17 | 3/1 | 11/7 | 15/9 | - | - |
| 2007 | 22/19 | 2/2 | 9/8 | 9/6 | 2/3 | - |
| 2006 | 28/19 | 2/1 | 11/8 | 13/8 | 2/2 | - |
| 2005 | 19/16 | 3/2 | 10/8 | 6/5 | 0/1 | - |
| 2004 | 9/12 | 0/1 | 4/6 | 3/3 | 2/2 | - |
| 2003 | 1/1 | 1/1 | - | - | - | - |
Head-to-head: 2 - 2
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | Toyota ITF | Oka | 2 | 6 | 6 | 1R | ||||
| Sema | 0 | 2 | 2 | |||||||
| 2011 | Makinohara ITF | Sema | 2 | 6 | 6 | 1R | ||||
| Oka | 0 | 1 | 4 | |||||||
| 2010 | Tsukuba ITF | Sema | 2 | 6 | 6 | Q-R16 | ||||
| Oka | 0 | 2 | 4 | |||||||
| 2006 | Fukuoka ITF | Oka | 2 | 3 | 6 | 7 | Q-1R | |||
| Sema | 1 | 6 | 4 | 5 |
Betting odds
Latest matches
- Sema
| Brisbane 4 ITF, 1R, 29.10.2025 | ||
| Sema - Black | 2:0 | |
| Brisbane ITF, 1R, 22.10.2025 | ||
| Yang - Sema | 2:0 | |
| Wagga Wagga 2 ITF, SF, 20.09.2025 | ||
| Swan - Sema | 2:0 | |
| Wagga Wagga 2 ITF, QF, 19.09.2025 | ||
| Sema - Korhonen | 2:0 | |
| Wagga Wagga 2 ITF, R16, 18.09.2025 | ||
| Sema - Miyamoto | 2:0 | |
| Wagga Wagga 2 ITF, 1R, 16.09.2025 | ||
| Sema - Guillen | 2:0 | |
| Wagga Wagga ITF, QF, 12.09.2025 | ||
| Cabrera - Sema | 2:1 | |
| Wagga Wagga ITF, R16, 11.09.2025 | ||
| Sema - Yang | 2:0 | |
| Wagga Wagga ITF, 1R, 11.09.2025 | ||
| Sema - Ohashi | 2:0 | |
| Nakhon Pathom 6 ITF, 1R, 03.09.2025 | ||
| Lee - Sema | 2:0 | |
- Oka
| Nishi-Tama ITF, 1R, 27.03.2012 | ||
| Nakano - Oka | 2:1 | |
| Kofu ITF, QF, 22.03.2012 | ||
| Kuwata - Oka | 2:1 | |
| Kofu ITF, R16, 21.03.2012 | ||
| Oka - Juan | 2:1 | |
| Kofu ITF, 1R, 20.03.2012 | ||
| Oka - Miyazaki | 2:1 | |
| Sydney ITF, Q-2R, 12.02.2012 | ||
| Geuer - Oka | 2:0 | |
| Sydney ITF, Q-1R, 11.02.2012 | ||
| Oka - Nathalia | 2:1 | |
| Launceston ITF, Q-R16, 06.02.2012 | ||
| Zhu - Oka | 2:0 | |
| Launceston ITF, Q-2R, 05.02.2012 | ||
| Oka - Ruhrig | 2:0 | |
| Launceston ITF, Q-1R, 04.02.2012 | ||
| Oka - Demiri | 2:0 | |
| Burnie ITF, 1R, 31.01.2012 | ||
| Bouchard - Oka | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Paris | 14 | |||
| Masters Cup WTA | 24 | |||
| Chennai WTA | 12 | |||
| Hong Kong WTA | 8 | |||
| Jiujiang | 9 | |||
| Lower level tournaments | ||||
| Bratislava challenger | 10 | |||
| Seoul challenger | 10 | |||
| Charlottesville challenger | 7 | |||
| Lima challenger | 10 | |||
| Monastir challenger | 10 | |||
| UTR Pro Tennis Series 3 | 238 | |||
| UTR Pro Tennis Series 5 | 58 | |||
| Cali | 8 | |||
| Irapuato ITF | 12 | |||
| Glasgow 2 ITF | 12 | |||
| Toronto ITF | 12 | |||
| Brisbane 4 ITF | 16 | |||
| Istanbul ITF | 12 | |||
| Loule ITF | 14 | |||
| Makinohara ITF | 10 | |||
| Neuquén ITF | 13 | |||
| Villeneuve d'Ascq ITF | 10 | |||
| UTR Pro Tennis Series 5 | 36 | |||
| Bol 15 ITF | 8 | |||
| Malta ITF | 12 | |||
| Monastir 5 ITF | 12 | |||
| Sharm El Sheikh 19 ITF | 12 | |||
| Solarino 3 ITF | 12 | |||
| Sumter 2 ITF | 12 | |||
| Taby ITF | 12 | |||
| Tashkent 4 ITF | 12 | |||
| UTR Pro Match Series | 117 | |||
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