Zhizhen Zhang
Rank

152

High

31

29 year old
VS Oliver Okonkwo
Rank

High

26 year old
6-2 6-4
Qualifying
1st
Zhang
Okonkwo
6-2
6
2
5
2
4
2
3
2
3
1
2
1
1
1
1
1
0
1
2nd
Zhang
Okonkwo
6-4
6
4
5
4
5
3
4
3
4
2
3
2
3
1
2
1
1
1
0
1
2nd
Zhang 6-4
Zhang
Okonkwo
6
4
5
4
5
3
4
3
4
2
3
2
3
1
2
1
1
1
0
1
Serves
ZhangOkonkwo
6
4
15
15
30
15
40
15
ZhangOkonkwo
5
4
0
15
15
15
15
30
30
30
40
30
40
40
40
A
Missed1 BP
ZhangOkonkwo
5
3
15
0
30
0
40
0
ZhangOkonkwo
4
3
0
15
15
15
15
30
15
40
ZhangOkonkwo
4
2
15
0
30
0
30
15
30
30
40
30
ZhangOkonkwo
3
2
0
15
0
30
0
40
ZhangOkonkwo
3
1
15
0
30
0
40
0
ZhangOkonkwo
2
1
15
0
30
0
40
0
ZhangOkonkwo
1
1
0
15
15
15
30
15
40
15
40
30
ZhangOkonkwo
0
1
0
15
15
15
15
30
15
40
30
40
40
40
40
A
40
40
40
A

1st
Zhang 6-2
Zhang
Okonkwo
6
2
5
2
4
2
3
2
3
1
2
1
1
1
0
1
Serves
ZhangOkonkwo
6
2
15
0
30
0
30
15
40
15
ZhangOkonkwo
5
2
0
15
15
15
30
15
40
15
40
30
40
40
A
40
Missed2 BP
ZhangOkonkwo
4
2
15
0
30
15
30
15
40
15
ZhangOkonkwo
3
2
15
0
15
15
15
30
15
40
ZhangOkonkwo
3
1
15
0
30
0
40
0
ZhangOkonkwo
2
1
0
15
15
15
30
15
30
30
30
40
40
40
40
A
40
40
A
40
Okonkwo
1
1
0
0
ZhangOkonkwo
1
1
15
0
30
0
30
15
30
30
40
30
ZhangOkonkwo
0
1
15
0
15
15
15
30
15
40