Watanuki - Busan Challenger
Rank
213
High
72
7Played5 - 2win/loss
SF1
(2018)
1st1
(2025)
Rank
213
High
72
30 Oct 23
2025 - Busan Challenger
Hard
-
Alex BoltA.BoltAUS Loss
- 6-3 7-64
- 1st
-
15 Apr 25
L
2018 - Busan Challenger
Hard
-
Vasek PospisilV.PospisilCAN Loss
- 6-3 3-6 6-4
- 1/2
-
19 May 18
L
-
Ze ZhangZ.ZhangCHN
- 4-6 6-4 6-1
- 1/4
-
18 May 18
W
-
John-Patrick SmithJ.SmithAUS
- 7-611 6-4
- 2nd
-
17 May 18
W
-
Yen-Hsun LuY.LuTPE
- 6-1 6-2
- 1st
-
15 May 18
W
-
Frederik NielsenF.NielsenDEN
- 1-6 6-4 6-0
- Q.
-
14 May 18
W
-
Jea Moon LeeJ.LeeKOR
- 6-4 6-4
- q2
-
13 May 18
W