Alex Knaff vs Seongbin Sim H2H Stats and Results - Stevegtennis.com
By James Morris
Knaff VS Sim Head to Head: 1 - 0
The H2H record between Alex Knaff and Seongbin Sim stands at 1 - 0. In their last encounter on 28-08-2024 in the First Round at the M25 Hong Kong 1, Knaff got the win with 7-6(4) 4-6 6-2. Knaff stands at no. 804 in the rankings, whilst Sim is no. 1796.
Alex Knaff
Ranking
804 ( 03-06-26)
Best Rank
486 ( 11-09-23)
Grand Slams
0
Masters
0
Main Tour
0
Recent Form
W
L
W
L
W
W
L
L
W
L
Seongbin Sim
Ranking
1796 ( 03-06-26)
Best Rank
1611 ( 27-08-18)
Grand Slams
0
Masters
0
Main Tour
0
Recent Form
L
L
W
L
W
W
W
L
L
L
1
Total
0
1
Hard
0
0
Clay
0
0
Indoor
0
0
Grass
0
28 (26-11-1997)
Age
29 (10-04-1997)
193
Height
183
85
Weight
85
Right-Handed
Plays
Right-Handed
Two-Handed
Backhand
Two-Handed
Gilles Muller
Coach
Turned Pro
60% (242-164)
Career Total W/L
56% (104-81)
60% (109-72)
Career Hard W/L
54% (73-63)
53% (62-55)
Career Clay W/L
56% (9-7)
0% (0-0)
Career Grass W/L
33% (1-2)
66% (71-37)
Career Indoor W/L
70% (21-9)
$0
Career Prize Money
$0
59% (16-11)
YTD Win/Loss
47% (9-10)
Knaff VS Sim H2H Matches played
|
M25 Hong Kong 1 | ||||||||
|
28 Aug 2024 R1 |
Alex Knaff
Player
Seongbin Sim
60%
(
62 of
103)
1st Serve %
63%
(
57 of
90)
7
Aces
5
6
Double Faults
3
68%
(
42 of
62)
1st Serve Won
70%
(
40 of
57)
68%
(
28 of
41)
2nd Serve Won
61%
(
20 of
33)
100%
(
3 of
3)
Break Points Won
29%
(
2 of
7)
32%
(
33 of
103)
Rtn Points Won
33%
(
30 of
90)
100
Total Points Won
93
|
7
6
4
6
6
2
|
|||||||
Knaff VS Sim Head to head matches stats
| stats | Alex Knaff | Seongbin Sim |
|---|---|---|
| All Head to Head Matches | 1 | 0 |
| Sets Won | 2 | 1 |
| Games Won | 17 | 14 |
| Total Aces | 7 | 5 |
| Total Double Faults | 6 | 3 |
| Average Match Time | 2:56:0 | 2:56:0 |
| 1st Serve % | 60% (62/103) | 63% (57/90) |
| 1st Serve Win % | 68% (42/62) | 70% (40/57) |
| 2nd Serve Win % | 68% (28/41) | 61% (20/33) |
| Total Break Points Won % | 100% (3/3) | 29% (2/7) |
| Return Pts Won % | 33% (30/90) | 32% (33/103) |
| Best of 3 Sets Win % | 100% (1/1) | 0% (0/1) |
| Best of 5 Sets Win % | 0% (0/0) | 0% (0/0) |
| Total Tiebreaks Win % | 100% (1/1) | 0% (0/1) |
| Deciding Set Win % | 100% (1/1) | 0% (0/1) |
| 1st Set Won, Won Match | 100% (1/1) | 0% (0/0) |
| 1st Set Won, Lost Match | 0% (1/0) | 0% (0/0) |
| 1st Set Lost, Won Match | 0% (0/0) | 0% (1/0) |
Alex Knaff past matches
Before:
|
|
M25 Nottingham | ||||||||
|
07 May 2026 R2 |
6
0
5
7
6
1
|
L
|
Millen Hurrion
Player
Alex Knaff
76%
(
61 of
80)
1st Serve %
58%
(
52 of
90)
8
Aces
1
0
Double Faults
4
72%
(
44 of
61)
1st Serve Won
54%
(
28 of
52)
63%
(
12 of
19)
2nd Serve Won
50%
(
19 of
38)
63%
(
5 of
8)
Break Points Won
20%
(
1 of
5)
30%
(
24 of
80)
Rtn Points Won
48%
(
43 of
90)
99
Total Points Won
71
|
H2H | |||||
|
05 May 2026 R1 |
6
4
2
6
6
4
|
W
|
Alex Knaff
Player
Toby Martin
74%
(
64 of
87)
1st Serve %
62%
(
56 of
91)
2
Aces
5
4
Double Faults
4
56%
(
36 of
64)
1st Serve Won
61%
(
34 of
56)
57%
(
13 of
23)
2nd Serve Won
43%
(
15 of
35)
45%
(
5 of
11)
Break Points Won
50%
(
5 of
10)
44%
(
38 of
87)
Rtn Points Won
46%
(
42 of
91)
91
Total Points Won
87
|
H2H | |||||
|
M15 Singapore | ||||||||
|
22 Apr 2026 R1 |
6
1
6
2
|
L
|
Emile Hudd
Player
Alex Knaff
74%
(
31 of
42)
1st Serve %
69%
(
27 of
39)
9
Aces
2
0
Double Faults
2
84%
(
26 of
31)
1st Serve Won
52%
(
14 of
27)
55%
(
6 of
11)
2nd Serve Won
42%
(
5 of
12)
80%
(
4 of
5)
Break Points Won
0%
(
0 of
0)
24%
(
10 of
42)
Rtn Points Won
51%
(
20 of
39)
52
Total Points Won
29
|
H2H | |||||
|
|
M15 Singapore | ||||||||
|
17 Apr 2026 QF |
3
6
6
4
7
6
|
L
|
Koki Matsuda
Player
Alex Knaff
58%
(
64 of
111)
1st Serve %
61%
(
60 of
98)
4
Aces
4
3
Double Faults
4
77%
(
49 of
64)
1st Serve Won
82%
(
49 of
60)
55%
(
26 of
47)
2nd Serve Won
58%
(
22 of
38)
25%
(
1 of
4)
Break Points Won
13%
(
1 of
8)
32%
(
36 of
111)
Rtn Points Won
28%
(
27 of
98)
102
Total Points Won
107
|
H2H | |||||
|
16 Apr 2026 R2 |
4
6
6
3
6
2
|
W
|
Alex Knaff
Player
Anton Shepp
70%
(
57 of
82)
1st Serve %
62%
(
61 of
99)
8
Aces
8
5
Double Faults
0
74%
(
42 of
57)
1st Serve Won
64%
(
39 of
61)
68%
(
17 of
25)
2nd Serve Won
50%
(
19 of
38)
23%
(
3 of
13)
Break Points Won
20%
(
1 of
5)
28%
(
23 of
82)
Rtn Points Won
41%
(
41 of
99)
100
Total Points Won
81
|
H2H | |||||
view more
Seongbin Sim past matches
Before:
|
|
M15 Luan | ||||||||
|
03 Jun 2026 R1 |
6
4
7
6
|
L
|
Kaigaoge Kang
Player
Seongbin Sim
54%
(
56 of
103)
1st Serve %
57%
(
46 of
81)
6
Aces
7
2
Double Faults
3
71%
(
40 of
56)
1st Serve Won
65%
(
30 of
46)
53%
(
25 of
47)
2nd Serve Won
54%
(
19 of
35)
40%
(
2 of
5)
Break Points Won
8%
(
1 of
13)
37%
(
38 of
103)
Rtn Points Won
40%
(
32 of
81)
97
Total Points Won
87
|
H2H | |||||
|
|
M15 Gimcheon | ||||||||
|
26 May 2026 R1 |
6
3
|
L
|
Tai Sach
Player
Seongbin Sim
77%
(
17 of
22)
1st Serve %
50%
(
15 of
30)
0
Aces
0
0
Double Faults
1
71%
(
12 of
17)
1st Serve Won
67%
(
10 of
15)
80%
(
4 of
5)
2nd Serve Won
40%
(
6 of
15)
100%
(
2 of
2)
Break Points Won
0%
(
0 of
0)
27%
(
6 of
22)
Rtn Points Won
47%
(
14 of
30)
30
Total Points Won
22
|
H2H | |||||
|
|
M15 Gimcheon | ||||||||
|
21 May 2026 R2 |
6
1
6
1
|
L
|
Sanhui Shin
Player
Seongbin Sim
71%
(
27 of
38)
1st Serve %
70%
(
35 of
50)
6
Aces
3
1
Double Faults
2
81%
(
22 of
27)
1st Serve Won
51%
(
18 of
35)
64%
(
7 of
11)
2nd Serve Won
27%
(
4 of
15)
63%
(
5 of
8)
Break Points Won
0%
(
0 of
0)
24%
(
9 of
38)
Rtn Points Won
56%
(
28 of
50)
57
Total Points Won
31
|
H2H | |||||
|
20 May 2026 R1 |
3
6
7
6
7
6
|
W
|
Seongbin Sim
Player
Suk Hyun Choo
59%
(
71 of
120)
1st Serve %
60%
(
63 of
105)
14
Aces
6
3
Double Faults
5
72%
(
51 of
71)
1st Serve Won
79%
(
50 of
63)
53%
(
26 of
49)
2nd Serve Won
48%
(
20 of
42)
100%
(
2 of
2)
Break Points Won
27%
(
3 of
11)
36%
(
43 of
120)
Rtn Points Won
33%
(
35 of
105)
112
Total Points Won
113
|
H2H | |||||
|
18 May 2026 QF |
7
5
6
2
|
W
|
Seongbin Sim
Player
Homin Kwag
60%
(
34 of
57)
1st Serve %
53%
(
32 of
60)
6
Aces
2
3
Double Faults
3
71%
(
24 of
34)
1st Serve Won
56%
(
18 of
32)
52%
(
12 of
23)
2nd Serve Won
50%
(
14 of
28)
83%
(
5 of
6)
Break Points Won
67%
(
2 of
3)
37%
(
21 of
57)
Rtn Points Won
47%
(
28 of
60)
64
Total Points Won
53
|
H2H | |||||
view more
Knaff VS Sim matches vs all opponents
| stats | Alex Knaff | Seongbin Sim |
|---|---|---|
| YTD Win/Loss | 60% (109/72) | 54% (73/63) |
| Sets Won/Lost | 59% (246/171) | 54% (164/139) |
| Games Won/Lost | 54% (2085/1754) | 51% (1487/1416) |
| Hard W/L | 60% (109/72) | 54% (73/63) |
| Clay W/L | 0% (0/0) | 0% (0/0) |
| Indoor Hard W/L | 0% (0/0) | 0% (0/0) |
| Grass W/L | 0% (0/0) | 0% (0/0) |
| Aces Per Game | 0.32 | 0.18 |
| Total Aces | 594 | 256 |
| Double Faults Per Game | 0.27 | 0.15 |
| Total Double Faults | 511 | 218 |
| Average Match Time | 1:30:12 | 1st Match |
| Average Opponent Rank | 527.98 | 487.82 |
| 1st Serve % | 63% (6423/10195) | 60% (2577/4282) |
| 1st Serve Win % | 69% (4434/6423) | 65% (1683/2577) |
| 2nd Serve Win % | 50% (1889/3772) | 49% (829/1705) |
| Total Break Points Won % | 43% (506/1181) | 41% (166/406) |
| Return Points Won % | 42% (4488/10659) | 39% (1630/4143) |
| Slam W/L | 0% (0/0) | 0% (0/0) |
| Masters W/L | 0% (0/0) | 0% (0/0) |
| Cups W/L | 0% (0/3) | 0% (0/0) |
| Main Tour W/L | 0% (0/0) | 0% (0/0) |
| Tour Finals W/L | 0% (0/0) | 0% (0/0) |
| Challenger W/L | 33% (1/2) | 33% (1/2) |
| Futures W/L | 62% (108/67) | 54% (72/61) |
| Best of 3 Sets Win % | 61% (108/178) | 54% (72/134) |
| Best of 5 Sets Win % | 0% (0/2) | 0% (0/0) |
| Total Tiebreaks Win % | 59% (23/39) | 57% (17/30) |
| Deciding Set Win % | 46% (25/54) | 42% (14/33) |
| 1st Set Won, Won Match | 87% (109/95) | 89% (74/66) |
| 1st Set Won, Lost Match | 13% (109/14) | 11% (74/8) |
| 1st Set Lost, Won Match | 18% (72/13) | 11% (62/7) |
Data is for all tournament levels. To remove lower level events as per ATP & WTA head to head data, click the button in page footer.
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