O'Brien, Roelofse - Kwak, Um
02.06.2015, 04:00, Gimcheon challenger, round of 16, hard
| O'Brien Dean | 2 : 0 (6-1, 6-0)  | 
			Kwak Sung Hyuk | ||
|---|---|---|---|---|
![]()  | 
			-. | Doubles ranking | -. | |
| 15. 5. 1990 | Birthdate | 1. 1. 1998 | ||
| 178 cm | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Roelofse Ruan | Um Eun Sik | |||
|---|---|---|---|---|
![]()  | 
			-. | Doubles ranking | -. | |
| 18. 11. 1989 | Birthdate | 14. 1. 1999 | ||
| 188 cm | Height | - | ||
| 93 kg | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
No records for this pair.
| Year | Summary | Clay | Hard | Indoors | Grass | Not set | 
|---|---|---|---|---|---|---|
| Summary: | 48/35 | 6/6 | 38/26 | 2/3 | - | 2/0 | 
| 2016 | 11/18 | 3/4 | 7/14 | - | - | 1/0 | 
| 2015 | 28/15 | 3/2 | 22/10 | 2/3 | - | 1/0 | 
| 2014 | 6/1 | - | 6/1 | - | - | - | 
| 2013 | 3/1 | - | 3/1 | - | - | - | 
| Year | Summary | Clay | Hard | Indoors | Grass | Not set | 
|---|---|---|---|---|---|---|
| Summary: | 143/111 | 25/24 | 98/72 | 18/14 | 0/1 | 2/0 | 
| 2018 | 0/4 | - | 0/4 | - | - | - | 
| 2017 | 3/1 | - | 3/1 | - | - | - | 
| 2016 | 22/32 | 6/8 | 11/19 | 4/4 | 0/1 | 1/0 | 
| 2015 | 45/27 | 6/6 | 27/15 | 11/6 | - | 1/0 | 
| 2014 | 38/22 | 12/9 | 23/9 | 3/4 | - | - | 
| 2013 | 31/17 | - | 31/17 | - | - | - | 
| 2012 | 4/8 | 1/1 | 3/7 | - | - | - | 
| Year | Summary | Clay | Hard | Indoors | Grass | Not set | 
|---|---|---|---|---|---|---|
| Summary: | 356/217 | 52/47 | 256/132 | 35/34 | 3/2 | 10/2 | 
| 2022 | 17/10 | 9/3 | 8/7 | - | - | - | 
| 2021 | 10/15 | 1/3 | 7/9 | 2/3 | - | - | 
| 2020 | 7/8 | 2/1 | 3/3 | 2/3 | - | 0/1 | 
| 2019 | 31/19 | 6/5 | 22/11 | 2/3 | - | 1/0 | 
| 2018 | 26/32 | 5/6 | 14/18 | 6/7 | - | 1/1 | 
| 2017 | 36/29 | 9/7 | 15/14 | 9/8 | - | 3/0 | 
| 2016 | 28/33 | 5/10 | 10/17 | 11/6 | - | 2/0 | 
| 2015 | 61/26 | 3/5 | 54/18 | 2/3 | - | 2/0 | 
| 2014 | 58/17 | 4/0 | 53/17 | - | - | 1/0 | 
| 2013 | 37/15 | 3/4 | 31/9 | - | 3/2 | - | 
| 2012 | 42/7 | 5/3 | 37/4 | - | - | - | 
| 2011 | 1/2 | - | 1/2 | - | - | - | 
| 2010 | 1/2 | - | 1/2 | - | - | - | 
| 2008 | 1/2 | - | 0/1 | 1/1 | - | - | 
Head-to-head: 1 - 0
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round | 
|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | Gimcheon challenger | O'Brien / Roelofse | 2 | 6 | 6 | R16 | ||||
| Kwak / Um | 0 | 1 | 0 | 
Betting odds
| O'Brien Dean Roelofse Ruan  | 
			Kwak Sung Hyuk Um Eun Sik  | 
		|
| bet-at-home | 1.02  | 
			8.88  | 
		
| Average odds | 1.02  | 
			8.88  | 
		
No odds
No odds
No odds
Latest matches
| Las Vegas challenger, R16, 18.10.2016 | ||
| Bango / King - O'Bri / Roelo | 2:0 | |
| Fairfield challenger, QF, 13.10.2016 | ||
| Bango / Quigl - O'Bri / Roelo | 2:0 | |
| Fairfield challenger, R16, 11.10.2016 | ||
| O'Bri / Roelo - Farre / Giron | 2:0 | |
| Stockton challenger, R16, 05.10.2016 | ||
| Areva / Klein - O'Bri / Roelo | 2:0 | |
| Izmir challenger, R16, 19.09.2016 | ||
| Hanfm / Siebe - O'Bri / Roelo | 2:0 | |
| Istanbul challenger, QF, 14.09.2016 | ||
| Doumb / Hemer - O'Bri / Roelo | 2:1 | |
| Istanbul challenger, R16, 12.09.2016 | ||
| O'Bri / Roelo - Akkoy / Yalci | 2:0 | |
| Aptos challenger, QF, 12.08.2016 | ||
| Schol / Vorst - O'Bri / Roelo | 2:0 | |
| Atlanta, R16, 03.08.2016 | ||
| Bruns / Silje - O'Bri / Roelo | 2:1 | |
| Lexington challenger, QF, 29.07.2016 | ||
| Nedun / Raman - O'Bri / Roelo | 2:0 | |
| Fairfield challenger, R16, 12.10.2018 | ||
| Gallo / Mayti - Harri / O'Bri | 2:0 | |
| Puerto Vallarta challenger, R16, 02.05.2018 | ||
| Giral / Gomez - King / O'Bri | 2:0 | |
| Launceston challenger, R16, 06.02.2018 | ||
| Bolt / Mousl - King / O'Bri | 2:1 | |
| Burnie challenger, R16, 30.01.2018 | ||
| Purce / Whitt - King / O'Bri | 2:0 | |
| Morelos challenger, F, 25.02.2017 | ||
| Kraji / Withr - King / O'Bri | 2:1 | |
| Morelos challenger, SF, 24.02.2017 | ||
| King / O'Bri - Gomez / Patin | 2:1 | |
| Morelos challenger, QF, 22.02.2017 | ||
| King / O'Bri - Chapl / Thomp | 2:0 | |
| Morelos challenger, R16, 20.02.2017 | ||
| King / O'Bri - Marti / Zampi | 2:0 | |
| Columbus 4 challenger, QF, 24.11.2016 | ||
| Polla / Torpe - Hach / O'Bri | 2:1 | |
| Columbus 4 challenger, R16, 23.11.2016 | ||
| Hach / O'Bri - Di Fe / Joyce | 2:0 | |
| Porto challenger, R16, 06.07.2022 | ||
| Marga / Uchiy - Herma / Roelo | 2:0 | |
| Troyes challenger, QF, 30.06.2022 | ||
| Marti / Paul - Fanse / Roelo | 2:0 | |
| Troyes challenger, R16, 29.06.2022 | ||
| Fanse / Roelo - Casan / Olivi | 2:0 | |
| Orlando challenger, R16, 08.06.2022 | ||
| Gallo / Withr - Arias / Roelo | 2:0 | |
| Little Rock challenger, R16, 01.06.2022 | ||
| Chung / Pervo - Arias / Roelo | 2:0 | |
| Savannah challenger, QF, 28.04.2022 | ||
| Gonza / Huey - Cerre / Roelo | 2:0 | |
| Savannah challenger, R16, 26.04.2022 | ||
| Cerre / Roelo - Clark / O'Hoi | 2:0 | |
| Tallahassee chall., R16, 20.04.2022 | ||
| Cornu / Knaff - Krueg / Roelo | 2:0 | |
| Futures 2022, F, 16.04.2022 | ||
| Cozbi / Roelo - Decke / Knaff | 2:0 | |
| Futures 2022, SF, 15.04.2022 | ||
| Cozbi / Roelo - Ingil / Perez | 2:1 | |
| Gimcheon challenger, R16, 02.06.2015 | ||
| O'Bri / Roelo - Kwak / Um | 2:0 | |
| Gimcheon challenger, R16, 02.06.2015 | ||
| O'Bri / Roelo - Kwak / Um | 2:0 | |
| Gimcheon challenger, R16, 02.06.2015 | ||
| O'Bri / Roelo - Kwak / Um | 2:0 | |
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| Masters Cup WTA | 12 | |||
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| UTR Pro Tennis Series 5 | 66 | |||
| UTR Pro Tennis Series 9 | 69 | |||
| Austin 2 | 11 | |||
| Tucuman | 12 | |||
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| Antalya 32 ITF | 19 | |||
| Castellon 2 ITF | 25 | |||
| Heraklion 9 ITF | 21 | |||
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| Monastir 6 ITF | 24 | |||
| Neuquén 2 ITF | 24 | |||
| Sharm El Sheikh 20 ITF | 15 | |||
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| Szabolcsveresmart ITF | 19 | |||
| UTR Pro Match Series | 156 | |||
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