

Sloane Stephens defeated Karolina Pliskova 7-5 6-1 in the Roland Garros round of 64 on clay. The upset overturned the form book — Karolina Pliskova came in ranked #57, defending last year's round of 64. Sloane Stephens extended the head-to-head to 6–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-19 | Australian Open | R128 | hard | Karolina Pliskova | 7-6 6-2 |
| 2024-04-15 | Rouen | R16 | clay | Sloane Stephens | 6-3 6-2 |
| 2023-05-29 | Roland Garros | R128 | clay | Sloane Stephens | 6-0 6-4 |
| 2018-10-22 | Singapore | SF | hard | Sloane Stephens | 0-6 6-4 6-1 |
| 2018-05-07 | Madrid | R16 | clay | Karolina Pliskova | 6-2 6-3 |
| 2015-10-05 | Beijing | R64 | hard | Sloane Stephens | 6-3 6-2 |
| 2012-06-25 | Wimbledon | R128 | grass | Sloane Stephens | 6-2 6-2 |
Averages over each player's completed matches in the selected window (195 vs 197). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Stephens S.: 1 day rest · 4 matches, 81 games (7d) · Pliskova K.: 5 days rest · 1 match, 14 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 clay field, opponent-adjusted over 52 weeks). About