
Marcos Giron defeated Tallon Griekspoor 6-4 6-2 in the Vienna round of 32 on hard. The upset overturned the form book — Tallon Griekspoor came in ranked #56, leading the head-to-head 3–0. Marcos Giron claimed a first win over Tallon Griekspoor in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-26 | Roland Garros | R128 | clay | Tallon Griekspoor | 4-6 6-3 6-4 7-5 |
| 2022-05-09 | Rome Masters | Q2 | clay | Tallon Griekspoor | 7-6 6-2 |
| 2021-02-22 | Montpellier | R32 | hard | Tallon Griekspoor | 6-2 6-7 6-3 |
Averages over each player's completed matches in the selected window (199 vs 198). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Giron M.: 7 days rest · 1 match, 23 games (7d) · Griekspoor T.: 10 days rest · 3 matches (14d). 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