Canadian power versus Czech science

On Tuesday, Victoria Mboko dispelled all doubts about her right arm by dispatching Bartůňková 6–1 6–2 in 1h09. Twenty-two winners, 15 unforced errors, clean, dominant tennis. The 19-year-old Canadian, WTA No. 9 and 9th seed, is one of the in-form players on tour this season. Three WTA titles in 2026, finalist in Doha against Muchová, and a third round here in 2025 for her first Roland-Garros. Her devastating serve at 4.8 aces per match and her power from the baseline make her a tough opponent for anyone. Her 2026 clay stats are solid: Match Efficiency 1.786, 100% of tiebreaks won. In deciding moments, she doesn’t flinch.

Kateřina Siniaková beat Waltert on Tuesday 6–4 7–6 in 2h12, with nine double faults and 39 unforced errors, saving 10 out of 12 break points. A victory wrestled from pain. But her 2026 clay stats reveal a player who is qualitatively very solid: 72.2% of service games won, 69.4% of break points saved, Dominance Efficiency 1.540, and clear superiority on return pressure points at almost every tight score. The legacy of her thousands of hours in doubles shows up in every chart: she reads the game before everyone else, anticipates angles, and builds points with a tactical intelligence that statistics struggle to capture. Five Roland-Garros doubles titles, including the last one with Gauff in 2024, and an encyclopedic knowledge of these courts.

The tactical structure of this match is that of a clash of philosophies. Mboko looks to short-circuit rallies with her serve and her power from the baseline, a flat, aggressive game that recalls Rybakina’s profile. And that is precisely where Siniaková can create problems. On slow Parisian clay in high heat, the ball bounces very high and out of the strike zone of players who like to hit flat and low. Rybakina has often suffered from this phenomenon against opponents capable of generating height with slice and topspin from the baseline. Siniaková, with her constant changes of pace and balls that rise to shoulder height on Mboko’s backhand, can reproduce exactly this pattern. And if Mboko doesn’t land her first serve well, Siniaková is superior on the opponent’s second serve at 56.7% versus 50.9%. She will apply pressure exactly where the Canadian is vulnerable.