Yoo - Busan Challenger
7Played2 - 5win/loss
1st1
(2011)
Q22
(2012, 2015)
Q12
(2016, 2018)
2018 - Busan Challenger
Hard
-
Luke SavilleL.SavilleAUS Loss
- 6-1 6-0
- q1
-
12 May 18
L
2016 - Busan Challenger
Hard
-
Jung-Woong NaJ.NaKOR Loss
- 2-6 6-1 6-3
- q1
-
30 Apr 16
L
2015 - Busan Challenger
Hard
-
Dimitar KutrovskyD.KutrovskyBUL Loss
- 6-4 6-2
- q2
-
03 May 15
L
-
Hyeong Don KimH.KimKOR
- 7-64 6-1
- q1
-
02 May 15
W
2012 - Busan Challenger
Hard
-
Yuichi ItoY.ItoJPN Loss
- 6-4 6-2
- q2
-
L
-
Jae Won YunJ.YunKOR
- 7-5 6-4
- q1
-
W
2011 - Busan Challenger
Hard
-
Toshihide MatsuiT.MatsuiJPN Loss
- 6-1 7-66
- 1st
-
10 May 11
L