Karen Khachanov def. Learner Tien — Round of 16, US Open 2026
Grand SlamHardNew York, USA
Played7 Sep 2026
🇷🇺ranked ATP number 49 going into this drawWon
Karen Khachanov 7 4 66 6 6
🇺🇸ranked ATP number 15 going into this draw
Learner Tien seeded 12 5 6 7 1 4
🇷🇺Karen Khachanov
🇺🇸Learner Tien
Match stats
Serve
9
Aces
8
7
Double faults
8
63%
1st serve in
60%
73%
1st serve points won
71%
44%
2nd serve points won
45%
63%
Service points won
61%
9/14
Break points saved
3/12
Serve speed (km/h)
208
Fastest serve
198
186
Average 1st serve
174
148
Average 2nd serve
139
Return
39%
Return points won
38%
9/12
Break points won
5/14
Points
48
Winners
55
56
Unforced errors
55
25/41
Net points won
34/43
166
Total points won
157
Stats, 6 months going in
Won–lost
5–5
Last 10 matches
8–2
3–1
Last 30 days
6–2
By surface
4–5
Hard
10–5
7–6
Clay
9–4
2–2
Grass
2–2
By round
1–2
R16
4–2
0–1
QF
2–2
7–2
At Grand Slams
6–2
How their matches go
26
Completed matches
32
31%
Won in straight sets
28%
19%
Won after losing a set
38%
27%
Lost after winning a set
13%
23%
Lost in straight sets
22%
7–8
Tiebreaks
9–4
2–7
Deciding sets
10–3
10/14
Won after winning set 1
18/20
3/12
Won after losing set 1
3/12
Serve and return, last 5 matches
54%
1st serve in
62%
78%
1st serve points won
73%
56%
2nd serve points won
53%
81%
Break points saved
61%
39%
Return points won
40%
44%
Break points won
45%
9.8
Aces a match
4.2
3.2
Double faults a match
3.2
Last 14 days
3
Matches
3
10
Sets
11
2
Days since last match
2
Common opponents, 6 monthsCommon opponents, 6 months going in
| Opponent | Karen Khachanov | Learner Tien |
|---|---|---|
| 🇨🇿MensikNo. 18 | ||
| 🇨🇿MensikNo. 18 | LostMadrid R32 | WonNew York R32 |
| 🇨🇦Auger-AliassimeNo. 4 | ||
| 🇨🇦Auger-AliassimeNo. 4 | WonNew York R64 | LostHalle R16 |
| 🇦🇷BurruchagaNo. 59 | ||
| 🇦🇷BurruchagaNo. 59 | WonNew York R128 | LostHouston QF |
| 🇮🇹CobolliNo. 6 | ||
| 🇮🇹CobolliNo. 6 | LostLondon R32 | LostParis R32 |
| Total | ||
| Total | 2–2 | 1–3 |