NEW YORK–Second-seeded Elena Rybakina advanced to the third round of the US Open Thursday, seeing off Spaniard Jessica Bouzas Maneiro 6-2, 6-4. Rybakina broke twice in the first set, winning it 6-2 and was leading 5-2 in the second set before she faced a hiccup. Key points and original sources are listed below.

• NEW YORK–Second-seeded Elena Rybakina advanced to the third round of the US Open Thursday, seeing off Spaniard Jessica Bouzas Maneiro 6-2, 6-4. The Kazakh dominated most of the match with heavy, deep ground strokes and big serves that the Spanish baseliner str...S1

• Rybakina broke twice in the first set, winning it 6-2 and was leading 5-2 in the second set before she faced a hiccup. Jessico broke while Rybakina was serving at 5-3, but the Kazakhstan star held her nerves, producing a break of her own in the third game, com...S2

• Karen Khachanov defeated world No. 4 Felix Auger-Aliassime in four sets after a match lasting around three and a half hours.S3