Courtney John Lock vs Iiro VasaPrediction, Head-to-Head Results, and Stats
Courtney John Lock and Iiro Vasa have met 1 time since 2026; Iiro Vasa leads 1–0. Their most recent meeting: Iiro Vasa won at Brazzaville Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | John Lock | Vasa | ||
|---|---|---|---|---|
| Indicator | Courtney John Lock | Iiro Vasa | ||
| Wins in straight sets | 0% | 0/1 | 62% | 18/29 |
| Wins a set when losing | 25% | 1/4 | 52% | 12/23 |
| Goes to a deciding set | 40% | 2/5 | 44% | 23/52 |
| Covers −1.5 sets as favorite | 0% | 0/1 | 40% | 6/15 |
| Covers +1.5 sets as underdog | 50% | 1/2 | 76% | 19/25 |
| Tiebreak sets won | 0% | 0/2 | 58% | 14/24 |
| Wins after taking set 1 | 100% | 1/1 | 76% | 25/33 |
| Wins 2-0 after taking set 1 | 0% | 0/1 | 55% | 18/33 |
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.
Style Matchup
Playing styles and historical archetype record
Lock
🛡️ The Spoiler
Vasa
🤖 Servebot
Matchup analysis
The 🤖 Servebot archetype wins about 56% vs 🛡️ The Spoiler across 91 matches in our dataset: a stylistic lean toward Iiro Vasa.
Servebot players often use high ace rate and dominant service to pressure the the spoiler's strong court coverage.
Previous meetings
1 career meeting, newest first
May 5, 2026
Brazzaville Challenger
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 | Vasa |
|---|---|---|
| W-L | 0–2 | 4–9 |
| Avg odds | 8.82 | 2.21 |
| ROI % | -100.0% | -45.0% |
| Units P/L | -2.00u | -5.85u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
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
Dominick Mosejczuk
M15 Fayetteville · 1st Round
Sep 30
Wojciech Marek
M25 Falun · 2nd Round
Sep 23
Saba George Nanobashvili
M25 Falun · 1st Round
Sep 21
Loann Massard
M25 Nevers · 1st Round
Sep 15
Dimitris Sakellaridis
M25 Meerbusch · 2nd Round
Sep 3
Niklas Grunewald
M25 Meerbusch · 1st Round
Sep 1
Eero Vasa
M25 Oldenzaal · 1st Round
Aug 26
Emile Hudd
M15 Turku · 1st Round
Aug 11
Win rate
Matches, sets and games won · Last 12 months · 5–52 matches
| Metric | Lock | Vasa |
|---|---|---|
| Matches won | 20% | 56% |
| Sets won | 25% | 55% |
| Games won | 40% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Lock | Vasa |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Lock | Vasa |
|---|---|---|
| Clay | 0 | 1 |
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