Carina Witthoeft defeated Alison Riske Amritraj 6-4 5-7 6-3 in the Toronto round of 32 on hard.
Witthoeft C. came through in three sets.
Witthoeft C. and Riske Amritraj A. faced 4 of the same opponents in the last 12 months. Witthoeft C. went 2–2 (50%) against them, Riske Amritraj A. 4–1 (80%). Riske Amritraj A. came out better against 2 of 4 comparable opponents, Witthoeft C. against 0.
Only 4 common opponents — small sample, treat as indicative.
Carina Witthoeft beat Alison Riske Amritraj 6-4 5-7 6-3. Umpiry, "Carina Witthoeft vs Alison Riske Amritraj — Toronto Round of 32", https://umpiry.com/match/2015-08-10/amritraj-vs-witthoeft-toronto-r32?utm_source=cite (as of 10 August 2015).