INDIAN WELLS, Calif. -- Top-seeded Daniil Medvedev beat Filip Krajinovic 6-2, 7-6 (1) to reach the round of 16 on a gusty Monday night at the BNP Paribas Open. Karolina Pliskova, the women's top seed, was upset by Beatriz Haddad Maia 6-3, 7-5.
Medvedev, the US Open champion, connected on 70% of his first serves and fired four aces despite challenging weather conditions.
Haddad Maia got into the main draw as a lucky loser. She lost in the final round of qualifying and got in when No. 29 seed Nadia Podoroska withdrew with a thigh injury. Haddad Maia inherited Podoroska's first-round bye and then beat Mayar Sherif in the second round.
Ranked 115th, the Brazilian reached the round of 16 at a WTA 1000 event for the first time.
On a windy day at the Indian Wells Tennis Garden, Pliskova held serve to tie the second set 5-5, but she got broken eight times in the match. Haddad Maia held and then broke Pliskova in the final game to wrap up her second career win over a Top-5 player.
On the men's side, No. 6 Casper Ruud outlasted Lloyd Harris 6-7 (4), 6-4, 6-4. No. 8 Hubert Hurkacz and 10th-seeded Diego Schwartzman advanced. No. 16 Reilly Opelka lost to 23rd-ranked Grigor Dimitrov 6-3, 6-4.