New York - Daniil Medvedev overcame severe cramps to reach the third round of the US Open on Thursday with a 6-3, 7-5, 5-7, 6-3 victory over 84th-ranked Bolivian Hugo Dellien.
The Russian fifth seed, who arrived in New York on the back of a maiden Masters title in Cincinnati and runner-up finishes in Montreal and Washington, awaits the winner of Feliciano Lopez and Yoshihito Nishioka to decide a place in the last 16.
US Open results on Thursday (x denotes seeding):
Men
Second round
Denis Kudla (USA) bt Dusan Lajovic (SRB x27) 7-5, 7-5, 0-6, 6-3
Stanislas Wawrinka (SUI x23) bt Jeremy Chardy (FRA) 6-4, 6-3, 6-7 (3/7), 6-3
Paolo Lorenzi (ITA) bt Miomir Kecmanovic (SRB) 7-6 (13/11), 6-7 (2/7), 7-6 (7/2), 3-6, 6-3
Nikoloz Basilashvili (GEO x17) bt Jenson Brooksby (USA) 3-6, 7-6 (7/3), 7-5, 6-2
Feliciano Lopez (ESP) bt Yoshihito Nishioka (JPN) 6-7 (7/9), 6-0, 6-4, 6-4
Daniil Medvedev (RUS x5) bt Hugo Dellien (BOL) 6-3, 7-5, 5-7, 6-3
Daniel Evans (GBR) bt Lucas Pouille (FRA x25) 6-4, 6-3, 6-7 (4/7), 6-4
Pablo Carreno-Busta (ESP) bt Ricardas Berankis (LTU) 6-4, 6-7 (3/7), 6-2, 6-0
David Goffin (BEL x15) bt Gregoire Barrere (FRA) 6-2, 6-2, 6-2
Kamil Majchrzak (POL) bt Pablo Cuevas (URU) 6-7 (3/7), 6-4, 2-6, 6-4, 6-1
Alex De Minaur (AUS) bt Christian Garin (CHI x31) 6-3, 7-5, 6-3
Andrey Rublev (RUS) bt Gilles Simon (FRA) 6-2, retired
Nick Kyrgios (AUS x28) bt Antoine Hoang (FRA) 6-4, 6-2, 6-4
Matteo Berrettini (ITA x24) bt Jordan Thompson (AUS) 7-5, 7-6 (7/5), 4-6, 6-1
Alexei Popyrin (AUS) bt Mikhail Kukushkin (KAZ) 2-6, 7-5, 6-3, 6-2
Gael Monfils (FRA x13) bt Marius Copil (ROU) 6-3, 6-2, 6-2
Denis Shapovalov (CAN) bt Henri Laaksonen (SUI) 6-4, 7-6 (7/2), 6-2
Pablo Andujar (ESP) bt Lorenzo Sonego (ITA) 6-2, 6-4, 6-2
Alexander Bublik (KAZ) bt Thomas Fabbiano (ITA) 6-7 (3/7), 5-7, 6-4, 6-3, 6-3
Alexander Zverev (GER x6) bt Frances Tiafoe (USA) 6-3, 3-6, 6-2, 2-6, 6-3
Aljaz Bedene (SLO) bt Benoit Paire (FRA x29) 4-6, 6-7 (3/7), 6-2, 7-5, 7-6 (7/4)
Diego Schwartzman (ARG x20) bt Egor Gerasimov (BLR) 6-4, 6-2, 6-0
Tennys Sandgren (USA) bt Vasek Pospisil (CAN) 6-3, 6-7 (4/7), 6-3, 6-4
John Isner (USA x14) bt Jan-Lennard Struff (GER) 6-3, 7-6 (7/4), 7-6 (7/5)
Marin Cilic (CRO x22) bt Cedrik-Marcel Stebe (GER) 4-6, 6-3, 7-5, 6-3
Chung Hyeon (KOR) bt Fernando Verdasco (ESP x32) 1-6, 2-6, 7-5, 6-3, 7-6 (7/3)
Rafael Nadal (ESP x2) bt Thanasi Kokkinakis (AUS) walkover
Women
Second round
Naomi Osaka (JPN x1) bt Magda Linette (POL) 6-2, 6-4
Coco Gauff (USA) bt Timea Babos (HUN) 6-2, 4-6, 6-4
Anett Kontaveit (EST x21) bt Ajla Tomljanovic (AUS) 4-6, 7-5, 6-2
Belinda Bencic (SUI x13) bt Alize Cornet (FRA) 6-4, 1-6, 6-2
Yulia Putintseva (KAZ) bt Aryna Sabalenka (BLR x9) 6-3, 7-6 (7/3)
Donna Vekic (CRO x23) bt Kaia Kanepi (EST) 7-5, 6-3
Julia Goerges (GER x26) bt Francesca Di Lorenzo (USA) 7-5, 6-0
Kiki Bertens (NED x7) bt Anastasia Pavlyuchenkova (RUS) 7-5, 6-4
Taylor Townsend (USA) bt Simona Halep (ROU x4) 2-6, 6-3, 7-6 (7/4)
Sorana Cirstea (ROU) bt Aliona Bolsova (ESP) 3-6, 6-4, 6-2
Caroline Wozniacki (DEN x19) bt Danielle Collins (USA) 4-6, 6-3, 6-4
Bianca Andreescu (CAN x15) bt Kirsten Flipkens (BEL) 6-3, 7-5
Kristie Ahn (USA) bt Anna Kalinskaya (RUS) 6-2, 6-3
Jelena Ostapenko (LAT) bt Alison Riske (USA) 6-4, 6-3
Elise Mertens (BEL x25) bt Kristyna Pliskova (CZE) 6-2, 6-2
Andrea Petkovic (GER) bt Petra Kvitova (CZE x6) 6-4, 6-4
Dayana Yastremska (UKR x32) bt Rebecca Peterson (SWE) 6-4, 6-1
Sofia Kenin (USA x20) bt Laura Siegemund (GER) 7-6 (7/4), 6-0
Johanna Konta (GBR x16) bt Margarita Gasparyan (RUS) 6-1, 6-0
Zhang Shuai (CHN x33) bt Ekaterina Alexandrova (RUS) 7-6 (7/5), 4-6, 6-3
Ons Jabeur (TUN) bt Aliaksandra Sasnovich (BLR) 3-6, 6-4, 6-2
Karolina Muchova (CZE) bt Hsieh Su-Wei (TPE x29) 6-1, 4-6, 7-6 (7/2)
Petra Martic (CRO x22) bt Ana Bogdan (ROU) 6-2, 6-4
Anastasija Sevastova (LAT x12) bt Iga Swiatek (POL) 3-6, 6-1, 6-3
Fiona Ferro (FRA) bt Kristina Mladenovic (FRA) 6-4, 6-7 (3/7), 6-3
Wang Qiang (CHN x18) bt Alison Van Uytvanck (BEL) 7-5, 6-4
Maria Sakkari (GRE x30) bt Peng Shuai (CHN) 6-7 (5/7), 6-4, 6-2