Birnerova v Knapp

Karin Knapp takes it, 11–3 on categories

Knapp wins on first-serve points won %. Birnerova’s case rests on first serve in %, but it isn’t enough to swing it. WTA Tour career: Birnerova 93 matches, Knapp 224 matches.

• Knapp averages 2.3 aces a match to Birnerova’s 0.7 — 3.3 times as many.
• Knapp averages 1.1 sets won a match to Birnerova’s 0.8 (37% more).
• Knapp has the better sets won %: 48.4 to Birnerova’s 36.7.
• Winners’ edge: Knapp’s team won 47%, Birnerova’s team won 34% of the matches they played.
• Longevity: Knapp has 224 matches across 11 seasons, Birnerova 93 in 8 — the averages matter more than the totals here.
• Not every stat was recorded for every match (titles, finals): those averages use only the games that logged them.

Built only from games in our stats database. A read of the numbers, not a tip.