H2H data updated: 2026-07-18 02:15 UTC

Jack Sock vs Ivo Karlovic H2H: 1-4

Ivo Karlovic holds a 4–1 lead over Jack Sock in their ATP head-to-head. Across 5 main-draw meetings, Ivo Karlovic leads 3–0 on hard courts, while Jack Sock leads 1–0 on clay. Most recently, Ivo Karlovic won the 2016 Washington quarterfinal 7-6(4) 7-6(6).

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Jack Sock
USA Age 33 Right-Handed 191 cm / 6'3"
H2H
1 – 4
5 main draw meetings
Ivo Karlovic
CRO Age 47 Right-Handed 211 cm / 6'11"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jul 23, 2016* Washington ATP 500 QF Hard Ivo Karlovic #35 7-6(4) 7-6(6) Jack Sock #26 Match data
Jul 18, 2015* Newport ATP 250 SF Grass Ivo Karlovic #24 7-6(3) 6-4 Jack Sock #39 Match data
Apr 10, 2014* Houston ATP 250 R32 Clay Jack Sock #94 6-1 6-4 Ivo Karlovic #52 Match data
Feb 15, 2014* Memphis ATP 250 QF Hard Ivo Karlovic #80 7-6(4) 6-7(3) 6-3 Jack Sock #85 Match data
Mar 9, 2013* Indian Wells Masters Masters 1000 R128 Hard Ivo Karlovic #143 3-6 7-6(8) 6-2 Jack Sock #125 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
Jack Sock #808 #8 3,165 2,127 177 147 54.6% 0 1 0 0 3 4
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 Jack Sock Ivo Karlovic
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 2010 0–1 0.0% #878 1,458 0 0 — — — — — — —
18 2011 1–2 33.3% #381 1,490 0 0 — — — — — — —
19 2012 5–7 41.7% #150 1,601 0 0 — — — — — — —
20 2013 10–13 43.5% #102 1,697 0 0 — — — — — — —
21 2014 27–20 57.4% #42 1,893 0 0 — — — — — — —
22 2015 33–18 64.7% #26 1,984 0 1 2001 0–1 0.0% #193 1,500 0 0
23 2016 36–18 66.7% #23 2,034 0 1 2002 1–2 33.3% #201 1,454 0 0
24 2017 38–20 65.5% #8 1,992 0 4 2003 9–7 56.2% #73 1,666 0 0
25 2018 9–21 30.0% #106 1,716 0 4 2004 16–24 40.0% #61 1,667 0 0
26 2019 0–4 0.0% #253 1,634 0 4 2005 17–22 43.6% #70 1,739 0 0
27 2020 3–4 42.9% #253 1,725 0 4 2006 16–18 47.1% #98 1,632 0 0
28 2021 6–5 54.5% #145 1,775 0 4 2007 45–21 68.2% #22 1,940 0 3
29 2022 7–10 41.2% #131 1,746 0 4 2008 29–25 53.7% #26 1,815 0 4
30 2023 2–4 33.3% #671 1,716 0 4 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