Ann Li defeated Alison Riske 6-0 6-3 in the US Open round of 64 on hard. The upset overturned the form book — Alison Riske came in leading the head-to-head 1–0, defending last year's round of 64, but Ann Li had been the form player, winning 4 of their last 7 on hard. Ann Li claimed a first win over Alison Riske in two meetings, levelling the head-to-head at 1–1.
Li A. took it in straight sets.
Hard: Li A. leads 1–0 · Grass: Riske A. leads 1–0
Ann Li beat Alison Riske 6-0 6-3. Umpiry, "Ann Li vs Alison Riske — US Open Round of 64", https://umpiry.com/match/2020-09-02/li-vs-riske-us-open-r64?utm_source=cite (as of 2 September 2020).