Shintaro Mochizuki defeated Roman Andres Burruchaga 6-4 1-6 6-4 in the Us Open qualifying round 2 on hard. The upset overturned the form book — Roman Andres Burruchaga came in ranked #61. Shintaro Mochizuki extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-21 | US Open | Q64 | hard | Shintaro Mochizuki | 6-4 1-6 6-4 |
| 2024-08-21 | US Open | Q64 | hard | Shintaro Mochizuki | 6-3 6-2 |
Averages over each player's completed matches in the selected window (88 vs 113). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Mochizuki S.: 7 days rest · 1 match, 25 games (7d) · Burruchaga R.: 6 days rest · 1 match, 30 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