Courtney John Lock vs Marlon VankanPrediction, Head-to-Head Results, and Stats
Courtney John Lock and Marlon Vankan have met 1 time since 2026; Marlon Vankan leads 1–0. Across all meetings Lock has taken 1 sets to Vankan's 2. Their most recent meeting: Marlon Vankan won at M25 Kigali (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | John Lock | Vankan | ||
|---|---|---|---|---|
| Indicator | Courtney John Lock | Marlon Vankan | ||
| Wins in straight sets | 0% | 0/1 | 81% | 29/36 |
| Wins a set when losing | 25% | 1/4 | 30% | 6/20 |
| Goes to a deciding set | 40% | 2/5 | 23% | 13/56 |
| Covers −1.5 sets as favorite | 0% | 0/1 | 61% | 23/38 |
| Covers +1.5 sets as underdog | 50% | 1/2 | 70% | 7/10 |
| Tiebreak sets won | 0% | 0/2 | 61% | 11/18 |
| Wins after taking set 1 | 100% | 1/1 | 94% | 33/35 |
| Wins 2-0 after taking set 1 | 0% | 0/1 | 83% | 29/35 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Small sample — read with care. Head-to-head: 0 of 1 completed meetings ended in straight sets (John Lock 0, Vankan 0).
Style Matchup
Playing styles and historical archetype record
Lock
🛡️ The Spoiler
Vankan
🪃 Counterpuncher
Matchup analysis
🛡️ The Spoiler vs 🪃 Counterpuncher is historically tight (50% vs 50%, 115 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Oct 6, 2026
M25 Kigali
C Clay · 1st Round
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Lock | Vankan |
|---|---|---|
| W-L | 0–2 | 12–8 |
| Avg odds | 8.82 | 1.67 |
| ROI % | -100.0% | -23.9% |
| Units P/L | -2.00u | -4.77u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 1 shared opponent, both Lock and Vankan posted a 0% win rate.
| Opponent | Lock | Vankan |
|---|---|---|
| Yshai Oliel | L 16 16 | L 46 46 |
Recent Form
Last five matches per player
Marlon Vankan
M25 Kigali · 1st Round
Oct 6
Yshai Oliel
M25 Kigali · 1st Round
Sep 29
Luca Staeheli
Liege Challenger · 1st Round Qualifying
Jul 5
Iiro Vasa
Brazzaville Challenger · 1st Round
May 5
George Gregoriou
Brazzaville Challenger · 2nd Round Qualifying
May 4
Millen Hurrion
Abidjan 2 Challenger · 1st Round Qualifying
Apr 26
Dominik Kellovsky
Kigali 2 · 1st Round Qualifying
Mar 2
Marat Sharipov
Nonthaburi 1 · 1st Round Qualifying
Dec 29
Calvin Hemery
M25 Kigali · Quarterfinals
Oct 9
Noah Schachter
M25 Kigali · 2nd Round
Oct 8
Courtney John Lock
M25 Kigali · 1st Round
Oct 6
Yshai Oliel
M25 Kigali · 2nd Round
Oct 1
Chetanna Amadike
M25 Kigali · 1st Round
Sep 30
Jaron Held
M15 Allershausen · 2nd Round
Aug 27
David Eichenseher
M15 Allershausen · 1st Round
Aug 26
Jack Loge
M15 Lambermont · Semifinals
Aug 22
Win rate
Matches, sets and games won · Last 12 months · 5–57 matches
| Metric | Lock | Vankan |
|---|---|---|
| Matches won | 20% | 65% |
| Sets won | 25% | 63% |
| Games won | 40% | 55% |
Record by tier
Head-to-head record by tournament tier
| Stage | Lock | Vankan |
|---|---|---|
| ITF M25 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Lock | Vankan |
|---|---|---|
| Clay | 0 | 1 |
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