Site data updated: 2026-05-28 18:14 UTC

Collin Altamirano #345 def. Ivo Karlovic #137

7-5 6-4

Match Information

Date	Aug 28, 2018*
Tournament	US Open
Category	Grand Slam
Surface	Hard
Round	Q2
Winner	Collin Altamirano
Score	7-5 6-4
Loser	Ivo Karlovic
Duration	1h 14m

Stat	Collin Altamirano	Ivo Karlovic
Aces	4	15
Double faults	2	4
First serve %	59	58
First serve points won %	84	81
Second serve points won %	65	42
Break points saved %	100	67
Break points converted %	33	0
Service points won %	76	65
Return points won %	35	24
Total points won %	56	44

Pre-match Comparison

Field	Collin Altamirano	Ivo Karlovic
Country	USA	CRO
Birth date	Dec 7, 1995	Feb 28, 1979
Age	22	39
Height	188	211
Handedness	Right-Handed	Right-Handed
Backhand style	—	—
Ranking (entering)	345	137
Ranking points (entering)	128	416
Elo (entering)	1,515	1,666
Career W-L	0–2	357–333
Career earnings	$194,115	$10,160,232

Pre-match H2H

Collin Altamirano 0 – 0 Ivo Karlovic

Path

Collin Altamirano's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 27, 2018	Q1	Tomislav Brkic	6-2 6-0	W	H2H	Match data

Collin Altamirano's next match

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 28, 2018	Q3	Lorenzo Sonego	6-4 7-6(3)	W	H2H	Match data

Ivo Karlovic's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 27, 2018	Q1	Illya Marchenko	6-3 7-6(7)	W	H2H	Match data