

Marcos Giron defeated Alex De Minaur 7-5 7-6 in the Metz round of 16 on hard. The upset overturned the form book — Alex De Minaur came in ranked #8. Marcos Giron extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-08-26 | US Open | R128 | hard | Alex De Minaur | 6-3 6-4 5-7 6-4 |
| 2021-09-30 | Sofia | R16 | hard | Marcos Giron | 7-6(5) 7-6(2) |
| 2020-10-19 | Antwerp | QF | hard | Alex De Minaur | 6-3 6-0 |
| 2019-03-04 | Indian Wells Masters | R64 | hard | Marcos Giron | 1-6 6-4 6-2 |
Averages over each player's completed matches in the selected window (199 vs 200). 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) · De Minaur A.: 2 days rest · 2 matches, 54 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