110 
U.S. Open Men’s Singles Round 1 matches
3-Roger Federer (Switzerland) beat Frances Tiafoe (U.S.) 4-6 6-2 6-1 1-6 6-4 1-Rafa Nadal (Spain) beat Dusan Lajovic (Serbia) 7-6(6) 6-2 6-2
U.S. Open Women’s Singles Round 1 matches
Naomi Osaka (Japan) beat 6-Angelique Kerber (Germany) 6-3 6-1
1-Karolina Pliskova (Czech Republic) beat Magda Linette (Poland) 6-2 6-1
Yanina Wickmayer (Belgium) beat 28-Lesia Tsurenko (Ukraine) 6-3 6-1
23-Barbora Strycova (Czech Republic) beat Misaki Doi (Japan) 6-1 6-3
Sorana Cirstea (Romania) beat Lesley Kerkhove (Netherlands) 6-1 6-3
