Seifert - O'Brien
22.10.2013, Futures 2013, 1. round, indoors
| Seifert Stefan | 2 : 0 (6-4, 7-5) |
O'Brien Colin | ||
|---|---|---|---|---|
| 1025. | Singles ranking | -. | ![]() |
|
| 28. 2. 1985 | Birthdate | 17. 4. 1984 | ||
| - | Height | - | ||
| - | Weight | - | ||
| left | Plays | left | ||
| - | Turned pro | - | ||
| Surface | Seifert Stefan | O'Brien Colin |
|---|---|---|
| Indoors | 12/5 | - |
| Clay | 13/11 | - |
| Grass | - | - |
| Hard | 8/4 | - |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 360/220 | 89/95 | 109/45 | 162/76 | 0/4 | - |
| 2026 | 33/20 | 13/11 | 8/4 | 12/5 | - | - |
| 2025 | 17/11 | 2/5 | 6/3 | 9/3 | - | - |
| 2021 | 5/7 | 3/6 | - | 2/1 | - | - |
| 2020 | 11/9 | 0/4 | 3/2 | 8/3 | - | - |
| 2019 | 18/10 | 2/1 | 5/3 | 11/6 | - | - |
| 2018 | 32/14 | 1/2 | 24/9 | 7/3 | - | - |
| 2015 | 4/5 | 3/4 | - | 1/1 | - | - |
| 2014 | 1/8 | 1/8 | - | - | - | - |
| 2013 | 46/22 | 8/3 | 21/9 | 17/8 | 0/2 | - |
| 2012 | 35/21 | 4/6 | 2/7 | 29/7 | 0/1 | - |
| 2011 | 50/13 | 0/2 | 37/5 | 13/6 | - | - |
| 2010 | 8/3 | 0/1 | - | 8/2 | - | - |
| 2009 | 5/5 | - | - | 5/5 | - | - |
| 2008 | 29/22 | 9/9 | 0/1 | 20/11 | 0/1 | - |
| 2007 | 23/16 | 12/9 | - | 11/7 | - | - |
| 2006 | 14/16 | 13/11 | 0/1 | 1/4 | - | - |
| 2005 | 27/12 | 16/7 | 3/1 | 8/4 | - | - |
| 2004 | 2/6 | 2/6 | - | - | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 105/96 | 22/21 | 43/30 | 30/35 | 8/9 | 2/1 |
| 2013 | 7/9 | - | 7/5 | 0/3 | - | 0/1 |
| 2011 | 1/2 | - | - | 1/2 | - | - |
| 2010 | 26/23 | 8/8 | 9/4 | 9/10 | 0/1 | - |
| 2009 | 33/28 | 1/5 | 19/13 | 7/6 | 4/4 | 2/0 |
| 2008 | 30/21 | 13/7 | 5/4 | 8/8 | 4/2 | - |
| 2007 | 1/6 | - | 0/1 | 1/4 | 0/1 | - |
| 2006 | 5/4 | - | 1/1 | 4/2 | 0/1 | - |
| 2005 | 2/2 | - | 2/2 | - | - | - |
| 2003 | 0/1 | 0/1 | - | - | - | - |
Head-to-head: 1 - 0
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | Futures 2013 | Seifert | 2 | 6 | 7 | 1R | ||||
| O'Brien | 0 | 4 | 5 |
Betting odds
Latest matches
- Seifert
| Futures 2026, QF, 25.09.2026 | ||
| Seifert - De Jonge | 2:0 | |
| Futures 2026, R16, 24.09.2026 | ||
| Seifert - Covato | 2:0 | |
| Futures 2026, 1R, 23.09.2026 | ||
| Seifert - Garcian | 2:0 | |
| Futures 2026, R16, 10.09.2026 | ||
| Martin - Seifert | 2:0 | |
| Futures 2026, 1R, 09.09.2026 | ||
| Seifert - Walch | 2:1 | |
| Futures 2026, Q-R16, 07.09.2026 | ||
| Seifert - Theate | 2:0 | |
| Futures 2026, Q-2R, 07.09.2026 | ||
| Seifert - Versloot | 2:0 | |
| Futures 2026, Q-1R, 06.09.2026 | ||
| Seifert - Ramiaramanana | 2:0 | |
| Futures 2026, 1R, 02.09.2026 | ||
| de Schepper - Seifert | 2:0 | |
| Futures 2026, Q-R16, 31.08.2026 | ||
| Seifert - Namigandet Tenguere | 2:0 | |
- O'Brien
| Futures 2013, 1R, 22.10.2013 | ||
| Seifert - O'Brien | 2:0 | |
| Futures 2013, 1R, 18.09.2013 | ||
| Lammer - O'Brien | 2:0 | |
| Petange challenger, Q-1R, 07.09.2013 | ||
| Sorensen - O'Brien | 2:1 | |
| St. Remy challenger, Q-R16, 01.09.2013 | ||
| Jankovits - O'Brien | 2:1 | |
| St. Remy challenger, Q-1R, 31.08.2013 | ||
| O'Brien - Maas | 2:0 | |
| Futures 2013, R16, 23.07.2013 | ||
| Farquharson - O'Brien | 2:1 | |
| Futures 2013, 1R, 22.07.2013 | ||
| O'Brien - Serena | 2:1 | |
| Davis Cup, 07.04.2013 | ||
| O'Brien - Heliövaara | 1:0 | |
| Davis Cup, 05.04.2013 | ||
| Nieminen - O'Brien | 3:0 | |
| Futures 2013, SF, 16.03.2013 | ||
| Tavares - O'Brien | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Chengdu | 10 | |||
| Hangzhou | 10 | |||
| Singapore WTA | 3 | |||
| Seoul WTA | 4 | |||
| Lower level tournaments | ||||
| St. Tropez challenger | 3 | |||
| Buenos Aires challenger | 3 | |||
| San Diego 2 challenger | 2 | |||
| Genoa 2 challenger | 3 | |||
| Plovdiv 4 challenger | 3 | |||
| UTR Pro Tennis Series | 42 | |||
| UTR Pro Tennis Series 3 | 6 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 23 | |||
| Ankara | 2 | |||
| Jingshan | 7 | |||
| Porto WTA | 3 | |||
| Tolentino | 3 | |||
| Berkeley ITF | 4 | |||
| Nanao ITF | 2 | |||
| Plovdiv ITF | 3 | |||
| Yecla ITF | 3 | |||
| Santa Margherita Di Pula 12 ITF | 3 | |||
| Sharm El Sheikh 14 ITF | 3 | |||
| UTR Pro Tennis Series 5 | 12 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Belem ITF | 3 | |||
| Constanta ITF | 3 | |||
| Maanshan 10 ITF | 3 | |||
| Monastir 51 ITF | 3 | |||
| UTR Pro Match Series | 6 | |||
| UTR Pro Tennis Series | 62 | |||
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- Head-to-head
- Interesting matches



