Janice Tjen vs Daria Kasatkina — R64 — Wimbledon

Down a set after dropping the opener in a tiebreak, Daria Kasatkina turned this on the strength of her return: she converted five of eight break points to Tjen's two of nine, a chasm that let the No. 68 knock off the higher-ranked Janice Tjen, No. 41, in their first meeting. Once the tiebreak slipped away, Kasatkina broke twice in each of the last two sets — games four and six to steal the second, then again in games three and seven — while saving seven of nine break points herself. Tjen's 22% conversion rate is what let the favorite fall at Wimbledon.