Young Jun Kim defeated Tucker Vorster 7-5 6-3 in the Indonesia F1 qualifying round on hard. The upset overturned the form book — Tucker Vorster came in leading the head-to-head 1–0. Young Jun Kim claimed a first win over Tucker Vorster in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-07 | Indonesia F2 | R16 | hard | Tucker Vorster | 6-3 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.