Swiss qualifier Jerome Kym won against American Brandon Nakashima, the No 30 seed, 4-6, 7-6 (2), 7-5, 3-6, 7-6 (8) to move into the third round of the US Open at the USTA Billie Jean King National Tennis Center in New York on Wednesday.
Kym, ranked No 175, will play the winner of the match between South African qualifier Lloyd Harris and American Taylor Fritz, the No 4 seed, next.
In the previous round of the US Open, the 22-year-old Swiss edged out American Ethan Quinn (6-3, 6-2, 3-6, 7-6 (5)). Nakashima, ranked No 31, defeated Dutch qualifier Jesper De Jong (6-2, 6-7 (5), 2-6, 6-2, 7-6 (7)).
New York (Grand Slam), other second-round results (USTA Billie Jean King National Tennis Center, hard, USD 90.000.000, most recent results first):
Nuno Borges vs. Tommy Paul
Alexander Zverev vs. Jacob Fearnley
Shintaro Mochizuki vs. Alex De Minaur
Stefanos Tsitsipas vs. Daniel Altmaier
Roman Safiullin vs. Felix Auger-Aliassime
Alexander Bublik vs. Tristan Schoolkate
Gabriel Diallo vs. Jaume Munar
Jannik Sinner vs. Alexei Popyrin
Leandro Riedi vs. Francisco Cerundolo
Karen Khachanov vs. Kamil Majchrzak
Jenson Brooksby vs. Flavio Cobolli
Valentin Royer vs. Denis Shapovalov
Tristan Boyer vs. Andrey Rublev
Adam Walton vs. Chak Lam Coleman Wong
Lorenzo Musetti vs. David Goffin
Ben Shelton vs. Pablo Carreno Busta
Zizou Bergs beat Jack Draper (5): W/O
Mattia Bellucci vs. Carlos Alcaraz
Jordan Thompson vs. Adrian Mannarino
Jan-Lennard Struff vs. Holger Rune
Luciano Darderi vs. Eliot Spizzirri
Frances Tiafoe vs. Martin Damm: wednesday
Jakub Mensik vs. Ugo Blanchet: wednesday
Arthur Rinderknech vs. Alejandro Davidovich Fokina: wednesday
Cameron Norrie vs. Francisco Comesana: wednesday
Benjamin Bonzi vs. Marcos Giron: wednesday
Lloyd Harris vs. Taylor Fritz: wednesday
Raphael Collignon vs. Casper Ruud: wednesday
Tomas Machac (21) beat Joao Fonseca: 7-6 (4), 6-2, 6-3
Novak Djokovic (7) beat Zachary Svajda (Q): 6-7 (5), 6-3, 6-3, 6-1
Jiri Lehecka (20) beat Tomas Martin Etcheverry: 3-6, 6-0, 6-2, 6-4