Tien takes down Marozsan in Winston-Salem second round
Learner Tien outlasted Fabian Marozsan in a third-set tiebreaker on Tuesday in Winston-Salem. Tien will battle Thiago Seyboth Wild for a spot in the quarter-finals.

Qualifier Learner Tien moved into the last 16 of the Winston-Salem Open by edging out Hungarian Fabian Marozsan, the No 9 seed, 6-2, 6-7 (1), 7-6 (2) at the Wake Forest Tennis Complex on Tuesday evening.
Tien, ranked No 231, will face Brazilian Thiago Seyboth Wild next.
In the previous round of the Winston-Salem tournament, the 18-year-old American beat Australian qualifier Tristan Schoolkate (3-6, 6-2, 6-3).
Winston-Salem ATP 250, other second-round results:
- Marton Fucsovics vs. Alex Michelsen
- Tomas Martin Etcheverry vs. Zizou Bergs: tuesday
- Christopher Eubanks (WC) beat Hugo Gaston (14): 6-1, 6-4
- Corentin Moutet vs. Roman Safiullin
- Juncheng Shang vs. Mariano Navone: tuesday
- Pablo Carreno Busta (WC) beat Alexander Shevchenko (13): 6-2, 6-2
- Borna Coric beat Sebastian Baez (1): 6-3, 6-4
- David Goffin beat Luciano Darderi (5): 6-2, 6-4
- Lorenzo Sonego (10) beat Dominic Stricker: 6-4, 6-1
- Pavel Kotov (15) beat Alexandre Muller: 6-4, 5-7, 6-2
- Thiago Seyboth Wild beat Nuno Borges (8): 7-6 (2), 6-2
- Zachary Svajda (LL) beat Francisco Cerundolo (3): 6-4, 6-4
- Arthur Rinderknech (12) beat Christopher O’Connell: 6-3, 6-4
- Aleksandar Vukic beat Adrian Mannarino (4): 7-6 (5), 2-6, 6-1
- Rinky Hijikata (16) beat Arthur Cazaux: 4-6, 6-3, 7-6 (4)