Aryna Sabalenka defeated Nikola Bartunkova 2-6 6-4 in the Berlin quarter-final on grass. The result followed the form book — Aryna Sabalenka came in ranked #2, defending last year's semi-final.
Sabalenka A. won the match.
Sabalenka A. and Bartunkova N. faced 4 of the same opponents in the last 12 months. Sabalenka A. went 4–1 (80%) against them, Bartunkova N. 3–2 (60%). Results against comparable opponents are close (1 : 1 better-results split).
Only 4 common opponents — small sample, treat as indicative.