Jason Jung defeated Beibit Zhukayev 6-4 7-6 in the Nonthaburi 2 CH round of 16 on hard. The upset overturned the form book — Beibit Zhukayev came in ranked #387, leading the head-to-head 1–0, defending last year's semi-final. Jason Jung claimed a first win over Beibit Zhukayev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-10-02 | Shanghai Masters | Q1 | hard | Beibit Zhukayev | 4-6 6-3 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (74 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Jung J.: 5 days rest · 3 matches, 61 games (7d). Higher means fresher. About