Garrett Johns vs Jan JermarPrediction, Head-to-Head Results, and Stats
Garrett Johns and Jan Jermar have met 1 time since 2026; Garrett Johns leads 1–0. Across all meetings Johns has taken 2 sets to Jermar's 0. Their most recent meeting: Garrett Johns won at Ostrava Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Johns | Jermar | ||
|---|---|---|---|---|
| Indicator | Garrett Johns | Jan Jermar | ||
| Wins in straight sets | 58% | 15/26 | 100% | 1/1 |
| Wins a set when losing | 22% | 7/32 | 25% | 2/8 |
| Goes to a deciding set | 31% | 18/58 | 22% | 2/9 |
| Covers −1.5 sets as favorite | 42% | 11/26 | 100% | 1/1 |
| Covers +1.5 sets as underdog | 36% | 10/28 | 29% | 2/7 |
| Tiebreak sets won | 33% | 8/24 | 100% | 2/2 |
| Wins after taking set 1 | 80% | 20/25 | 50% | 1/2 |
| Wins 2-0 after taking set 1 | 60% | 15/25 | 50% | 1/2 |
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: 1 of 1 completed meetings ended in straight sets (Johns 1, Jermar 0).
Style Matchup
Playing styles and historical archetype record
Johns
⚙️ Grinder
Jermar
⚙️ Grinder
Matchup analysis
Both Garrett Johns and Jan Jermar are ⚙️ Grinder types. Mirror matchups usually come down to execution, fitness, and surface fit, across 654 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Apr 28, 2026
Ostrava 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 | Johns | Jermar |
|---|---|---|
| W-L | 3–6 | - |
| Avg odds | 3.08 | - |
| ROI % | -16.1% | - |
| Units P/L | -1.45u | - |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Johns | Jermar |
|---|---|---|
| Countries | 1 | — |
| Events | 2 | — |
| Matches | 3 | — |
| Distance | 0 mi · 0 km | — |
| Route | JAM | — |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Recent Form
Last five matches per player
Max Purcell
Kingston 2 Challenger · 2nd Round
Aug 26
Aidan Kim
Kingston 2 Challenger · 1st Round
Aug 25
Pedro Martinez
Kingston 1 Challenger · 2nd Round
Aug 19
August Holmgren
Winnipeg Challenger · 1st Round
Jul 22
Daniil Glinka
Granby Challenger · 1st Round
Jul 14
Darwin Blanch
Newport Challenger · 2nd Round
Jul 10
Patrick Maloney
Newport Challenger · 1st Round
Jul 9
Stefan Kozlov
Newport challenger
Jul 7
Garrett Johns
Ostrava Challenger · 1st Round
Apr 28
Stefan Popovic
Memorijal Mile Moralic - Split Open Jolly Autoline · 1st Round Qualifying
Mar 2
Luca Potenza
ITC Crete Challenger · 1st Round Qualifying
Mar 1
Francesco Forti
M25 Trento 1 · 1st Round
Feb 17
Charlie Robertson
Athens · 1st Round Qualifying
Nov 23
Maxence Beauge
M25 Monastir 9 · 1st Round
Nov 5
Radu Mihai Papoe
Targu Mures · 2nd Round Qualifying
Sep 8
Cezar Stefan Bentzel
Targu Mures · 1st Round Qualifying
Sep 7
Win rate
Matches, sets and games won · Last 12 months · 9–59 matches
| Metric | Johns | Jermar |
|---|---|---|
| Matches won | 46% | 11% |
| Sets won | 44% | 20% |
| Games won | 49% | 38% |
Record by tier
Head-to-head record by tournament tier
| Stage | Johns | Jermar |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Johns | Jermar |
|---|---|---|
| Clay | 1 | 0 |
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