ATP
Courtney John Lock
Ranking—
Player details
- Plays
- Right-handed
Recent form
Last 19 recorded matches · up to 20 · newest first
1 Wins 18 Losses
SWOT analysis
Open a finding to see its evidence and sample.
Threats
Thin sample
Only 7 matches with serve and return statistics: the profile is not stable yet.
7 matches
Untested surface
Barely any matches on grass: any forecast there leans on his overall level, not on direct evidence.
fewer than 5 matches
Basis and methodology
Computed from opponent-adjusted serve and return over 7 matches, 1 tiebreaks, 1 deciding sets, Elo by surface.
Surface overview
All recorded results, not necessarily a complete career. This selector changes only the surface overview.
Hard
0%0 Wins · 10 Losses · 10 recorded matches
Clay
11.1%1 Wins · 8 Losses · 9 recorded matches
Track = recorded win percentage, on a 0–100% scale.
Elo ratings
Current ratings from recorded history. Overall and surface ratings use different scales; do not rank them against each other.
- Overall
- 1,437
- 19 recorded matches
- Hard
- 1,453
- 10 recorded matches
- Clay
- 1,466
- 9 recorded matches
- Grass
- —
- 0 recorded matches
Serve & return
Last 12 months · 3 recorded matches
Raw player aggregates, not circuit averages or performance ratings. Samples vary by metric; the match count is not the denominator for every percentage. Tracks run from 0 to 100%.
- Aces per sampled match
- 1.3
- Double faults per sampled match
- 3.3
- All points won
- 38%
Serve
3 recorded matches
- First serves in
- 62%
- First-serve points won
- 52%
- Second-serve points won
- 36%
- Break points saved
- 57%
- Service points won
- 46%
Return
3 recorded matches
- First-serve return points won
- 24%
- Second-serve return points won
- 41%
- Break points converted
- 0%
- Return points won
- 30%
Return values are derived from opponents’ serve data.
Pending validation: hold/break rates, shot averages and ratios, and clutch/deciding-set metrics are omitted.
Match length
Not enough completed matches to publish a distribution.
Match activity
Latest 19 loaded matches · up to 50 · newest first
Loaded dates: 4 Mar 2016 – 5 Jul 2026. Filters apply only to these matches.
19 of 19 loaded matches · 1 wins · 18 losses
- Loss5 Jul 2026
Challenger Liege (Clay)
Clay · Qualifying Semifinals
Winner listed first
Luca StaeheliCourtney John LockRecorded score (winner first): 6-0 6-0
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 0
- First-serve points won
- 20%
- Break points saved
- 0
- Loss27 Apr 2026
Abidjan 2 CH
Hard · Q1
Winner listed first
Millen HurrionCourtney John LockRecorded score (winner first): 6-3 6-1
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 3
- Break points saved
- 2/6
- Break points faced
- 6
- First-serve points won
- 61%
- Loss24 Nov 2025
Athens CH
Hard · Q1
Winner listed first
Aleksandr BrayninCourtney John LockRecorded score (winner first): 6-2 1-2 RET
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 1
- Break points saved
- 6/8
- Break points faced
- 8
- First-serve points won
- 63%
- Loss3 Mar 2025
Kigali 2 CH
Clay · Q1
Winner listed first
Dominik KellovskyCourtney John LockRecorded score (winner first): 6-3 5-7 6-2
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 8
- Break points saved
- 9/13
- Break points faced
- 13
- First-serve points won
- 71%
- Loss31 Jan 2025
Davis Cup WG2 PO: ZIM vs MAR
Hard · Round Robin
Winner listed first
Taha BaadiCourtney John LockRecorded score (winner first): 6-2 6-4
View match - Loss30 Dec 2024
Nonthaburi 1 CH
Hard · Q1
Winner listed first
Marat SharipovCourtney John LockRecorded score (winner first): 6-1 6-4
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 1
- Break points saved
- 2/5
- Break points faced
- 5
- First-serve points won
- 67%
- Loss18 Nov 2024
Puerto Vallarta CH
Hard · Q1
Winner listed first
Goncalo OliveiraCourtney John LockRecorded score (winner first): 6-1 6-2
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 2
- Break points saved
- 4/8
- Break points faced
- 8
- First-serve points won
- 54%
- Loss4 Nov 2024
M25 Maputo
Hard · R32
Winner listed first
Matthew HarrisCourtney John LockRecorded score (winner first): 6-1 7-6(3)
View match - Loss28 Oct 2024
Brazzaville CH
Clay · R32
Winner listed first
Matteo CovatoCourtney John LockRecorded score (winner first): 6-3 6-2
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 0
- Break points saved
- 5/9
- Break points faced
- 9
- First-serve points won
- 54%
- Loss30 Sep 2024
M25 Kigali
Clay · R32
Winner listed first
Maik SteinerCourtney John LockRecorded score (winner first): 6-2 6-4
View match - Loss12 Aug 2024
Grodzisk Mazowiecki CH
Hard · Q1
Winner listed first
Norbert GombosCourtney John LockRecorded score (winner first): 6-3 6-2
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 3
- Break points saved
- 5/9
- Break points faced
- 9
- First-serve points won
- 59%
- Loss20 May 2024
M25 Addis Ababa
Clay · R16
Winner listed first
Ishaque EqbalCourtney John LockRecorded score (winner first): 6-3 6-3
View match - Win20 May 2024
M25 Addis Ababa
Clay · R32
Winner listed first
Courtney John LockYabets KebedeRecorded score (winner first): 6-0 6-3
View match - Loss13 May 2024
M15 Addis Ababa
Clay · R32
Winner listed first
Sina MoghimiCourtney John LockRecorded score (winner first): 6-2 6-4
View match - Loss4 Mar 2024
Kigali 2 CH
Clay · Q1
Winner listed first
Florent BaxCourtney John LockRecorded score (winner first): 7-5 4-3 RET
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 1
- Break points saved
- 4/7
- Break points faced
- 7
- First-serve points won
- 54%
- Loss26 Feb 2024
Kigali 1 CH
Clay · Q1
Winner listed first
Noah SchachterCourtney John LockRecorded score (winner first): 6-1 6-0
View matchAvailable match statistics
Courtney John Lock · this match only · available fields
- Aces
- 0
- Break points saved
- 9/15
- Break points faced
- 15
- First-serve points won
- 32%
- Loss3 Feb 2024
Davis Cup WG2 PO: HKG vs ZIM
Hard · RR
Winner listed first
Coleman WongCourtney John LockRecorded score (winner first): 6-2 6-0
View match - Loss4 Mar 2016
Davis Cup G2 R1: ZIM vs FIN
Hard · RR
Winner listed first
Harri HeliovaaraCourtney John LockRecorded score (winner first): 6-1 6-0
View match - Loss4 Mar 2016
Davis Cup G2 R1: ZIM vs FIN
Hard · RR
Winner listed first
Jarkko NieminenCourtney John LockRecorded score (winner first): 6-0 6-0 6-0
View match