Sungbeen Sim defeated Artur Kukasian 6-3 7-6 in the M15 Maanshan 8 round of 16 on hard. The upset overturned the form book — Artur Kukasian came in ranked #960, leading the head-to-head 2–0. Sungbeen Sim claimed a first win over Artur Kukasian in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-29 | M15 Maanshan 7 | QF | hard | Artur Kukasian | 6-7(6) 7-5 2-0 |
| 2024-01-07 | M15 Monastir 2 | Q64 | hard | Artur Kukasian | 6-4 6-7(2) 10-8 |
Averages over each player's completed matches in the selected window (1 vs 2). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About