Head to head
1
Hard
1
0
Clay
1
Reilly Opelka's wins on the left · Stefanos Tsitsipas's on the right · bar lengths share one scale
All meetings (3)
| 2025 | Barcelona | Clay | R32 | Stefanos Tsitsipas | 6-2 6-2 |
| 2021 | Canada Masters | Hard | SF | Reilly Opelka | 6-7(2) 7-6(4) 6-4 |
| 2020 | Cincinnati Masters | Hard | QF | Stefanos Tsitsipas | 5-6 RET |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.