Site data updated: 2026-05-28 18:14 UTC

Donald Young #327 def. Stefan Kozlov #374

4-6 6-4 6-4

Match Information

Date Jan 7, 2021*
Tournament Delray Beach
Category ATP 250
Surface Hard
RoundQ2
Winner Donald Young
Score4-6 6-4 6-4
Loser Stefan Kozlov
Duration2h 25m
StatDonald YoungStefan Kozlov
Aces11
Double faults106
First serve %5866
First serve points won %6268
Second serve points won %4934
Break points saved %6245
Break points converted %5538
Service points won %5657
Return points won %4344
Total points won %5149

Pre-match Comparison

FieldDonald YoungStefan Kozlov
Country USA USA
Birth dateJul 23, 1989Feb 1, 1998
Age3122
Height183183
HandednessLeft-HandedRight-Handed
Backhand styleTwo-Handed Backhand
Ranking (entering)327374
Ranking points (entering)135110
Elo (entering)1,6401,527
Career W-L125–1879–26
Career earnings$4,694,661$1,121,946
Pre-match H2H
Donald Young 2 0 Stefan Kozlov

Path

Donald Young's path

DateRoundOpponentScoreW/LH2HMatch data
Jan 7, 2021Q1 Pedro Sakamoto 3-6 6-4 6-2WH2HMatch data

Donald Young's next match

DateRoundOpponentScoreW/LH2HMatch data
Jan 10, 2021R32 Frances Tiafoe 3-6 4-6LH2HMatch data

Stefan Kozlov's path

DateRoundOpponentScoreW/LH2HMatch data
Jan 7, 2021Q1 Johannes Haerteis 5-0 (ret.)WH2HMatch data