

Stefanos Tsitsipas defeated Shintaro Mochizuki 6-3 6-4 in the United Cup round robin on hard. The result followed the form book — Stefanos Tsitsipas came in ranked #87, leading the head-to-head 1–0. Stefanos Tsitsipas extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-19 | Australian Open | R128 | hard | Stefanos Tsitsipas | 4-6 6-3 6-2 6-2 |
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
Averages over each player's completed matches in the selected window (21 vs 18). 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.
Tsitsipas S.: 10 days rest · 2 matches (14d) · Mochizuki S.: 6 days rest · 1 match, 31 games (7d). Higher means fresher. About