Photo: Dave Keaton
1 of 13 Stefanos TsitsipasPhoto: Dave Keaton
2 of 13 John IsnerPhoto: Dave Keaton
3 of 13 Photo: Dave Keaton
4 of 13 Photo: Dave Keaton
5 of 13 Photo: Dave Keaton
6 of 13 Photo: Dave Keaton
7 of 13 Photo: Dave Keaton
8 of 13 Photo: Dave Keaton
9 of 13 Photo: Dave Keaton
10 of 13 Photo: Dave Keaton
11 of 13 Photo: Dave Keaton
12 of 13 Photo: Dave Keaton
13 of 13 Photo: Dave Keaton