H2H data updated: 2026-07-19 08:25 UTC

Stefan Kozlov vs Ivo Karlovic H2H: 0-1

Ivo Karlovic holds a 1–0 lead over Stefan Kozlov in their ATP head-to-head. Across 1 main-draw meeting, Ivo Karlovic leads 1–0 on grass. Most recently, Ivo Karlovic won the 2017 S Hertogenbosch fourth round 6-4 6-1.

United States Age 28 Right-Handed 183 cm / 6'0"
H2H
0 1
1 main draw meetings
CRO Age 47 Right-Handed 211 cm / 6'11"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jun 16, 2017* S Hertogenbosch ATP 250 R16 Grass Ivo Karlovic #24 6-4 6-1 Stefan Kozlov #150 Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Stefan Kozlov #296 #103 558 1,673 9 26 25.7% 0 0 0 0 0 0
Ivo Karlovic #1,066 #14 2,295 1,998 357 333 51.7% 0 0 0 0 8 8

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Stefan Kozlov Ivo Karlovic
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 2013 0–1 0.0% #1083 1,489 0 0
16 2014 0–1 0.0% #467 1,453 0 0
17 2015 0–2 0.0% #351 1,420 0 0
18 2016 3–2 60.0% #116 1,481 0 0
19 2017 2–9 18.2% #167 1,549 0 0
20 2018 0–1 0.0% #316 1,528 0 0
22 2020 0–1 0.0% #371 1,514 0 0 2001 0–1 0.0% #193 1,500 0 0
23 2021 0–1 0.0% #159 1,550 0 0 2002 1–2 33.3% #201 1,454 0 0
24 2022 4–8 33.3% #198 1,529 0 0 2003 9–7 56.2% #73 1,666 0 0
25 2004 16–24 40.0% #61 1,667 0 0
26 2005 17–22 43.6% #70 1,739 0 0
27 2006 16–18 47.1% #98 1,632 0 0
28 2007 45–21 68.2% #22 1,940 0 3
29 2008 29–25 53.7% #26 1,815 0 4
30 2009 21–22 48.8% #37 1,795 0 4
31 2010 16–9 64.0% #73 1,864 0 4
32 2011 16–20 44.4% #56 1,819 0 4
33 2012 14–16 46.7% #100 1,768 0 4
34 2013 15–13 53.6% #78 1,772 0 5
35 2014 32–27 54.2% #27 1,853 0 5
36 2015 38–25 60.3% #23 1,916 0 6
37 2016 32–22 59.3% #20 1,970 0 8
38 2017 15–20 42.9% #80 1,770 0 8
39 2018 11–16 40.7% #100 1,644 0 8
40 2019 11–15 42.3% #95 1,668 0 8
41 2020 1–4 20.0% #147 1,615 0 8
42 2021 2–4 33.3% #279 1,623 0 8