Mackenzie Mcdonald defeated Shintaro Mochizuki 6-3 6-4 in the Seoul round of 16 on hard. The upset overturned the form book — Shintaro Mochizuki came in ranked #112. Mackenzie Mcdonald extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-06-16 | Challenger Men - Singles: Nottingham (United Kingdom), Grass | R16 | grass | Shintaro Mochizuki | 5-7 |
| 2025-11-02 | Athens | Q2 | hard | Mackenzie Mcdonald | 4-6 6-2 6-2 |
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Mcdonald M.: 8 days rest · 1 match (14d) · Mochizuki S.: 7 days rest · 1 match, 25 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About