Guy Den Ouden defeated Gauthier Onclin 6-3 6-2 in the Heilbronn CH round of 16 on clay. Guy Den Ouden extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-04-12 | M25 Santa Margherita di Pula 2 | F | clay | Gauthier Onclin | 6-0 6-2 |
| 2021-08-29 | M15 Huy 1 | F | clay | Guy Den Ouden | 4-6 7-5 6-1 |
Averages over each player's completed matches in the selected window (78 vs 77). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Den Ouden G.: 13 days rest · 1 match (14d) · Onclin G.: 1 day rest · 4 matches, 94 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