Calvin Mueller vs Johan Oscar LienPrediction, Head-to-Head Results, and Stats
Calvin Mueller and Johan Oscar Lien have met 1 time since 2026; Johan Oscar Lien leads 1–0. Across all meetings Mueller has taken 0 sets to Lien's 2. Their most recent meeting: Johan Oscar Lien won at M15 Saarlouis (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Mueller | Oscar Lien | ||
|---|---|---|---|---|
| Indicator | Calvin Mueller | Johan Oscar Lien | ||
| Wins in straight sets | 59% | 13/22 | 75% | 9/12 |
| Wins a set when losing | 22% | 4/18 | 31% | 5/16 |
| Goes to a deciding set | 33% | 13/40 | 29% | 8/28 |
| Covers −1.5 sets as favorite | 39% | 7/18 | 0% | 0/2 |
| Covers +1.5 sets as underdog | 62% | 13/21 | 80% | 4/5 |
| Tiebreak sets won | 70% | 7/10 | 100% | 2/2 |
| Wins after taking set 1 | 79% | 15/19 | 77% | 10/13 |
| Wins 2-0 after taking set 1 | 68% | 13/19 | 69% | 9/13 |
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. Head-to-head: 1 of 1 completed meetings ended in straight sets (Mueller 0, Oscar Lien 1).
Style Matchup
Playing styles and historical archetype record
Mueller
⚙️ Grinder
Lien
⚔️ The Gladiator
Matchup analysis
⚙️ Grinder vs ⚔️ The Gladiator is historically tight (52% vs 48%, 646 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Jun 16, 2026
M15 Saarlouis
C Clay · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Mueller | Lien | ||
|---|---|---|---|---|
| Outcome | Calvin Mueller | Johan Oscar Lien | ||
| 1 or more | 78% | 7/9 | 67% | 6/9 |
| 3 or more | 0% | 0/9 | 0% | 0/9 |
| 5 or more | 0% | 0/9 | 0% | 0/9 |
| 10 or more | 0% | 0/9 | 0% | 0/9 |
| 15 or more | 0% | 0/9 | 0% | 0/9 |
| 20 or more | 0% | 0/9 | 0% | 0/9 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Mueller | Lien |
|---|---|---|
| W-L | 5–6 | 1–1 |
| Avg odds | 2.29 | 2.64 |
| ROI % | -23.7% | +7.0% |
| Units P/L | -2.61u | +0.14u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Mueller | Lien |
|---|---|---|
| Countries | 2 | — |
| Events | 3 | — |
| Matches | 5 | — |
| Distance | — | — |
| Route | SUI → GER | — |
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.
Common opponents
Results vs. opponents both players faced · Last 12 months
Lien has a higher win rate against shared opponents (80% vs Mueller's 60%).
| Opponent | Mueller | Lien |
|---|---|---|
| Hazem Naow | W 62 61 | W 64 64 |
| Justin Schlageter | L 63 36 36 | W 64 36 64 |
| Imanol Lopez Morillo | W 61 64 | L 61 26 57 |
| Gabriele Maria Noce | W 36 63 64 | W 64 62 |
| Jan Hrazdil | L 36 36 | W 36 63 63 |
Recent Form
Last five matches per player
Jakub Filip
M15 Allershausen · Semifinals
Aug 29
Hazem Naow
M15 Allershausen · Quarterfinals
Aug 28
Maximilian Alessandro Erhardt
M15 Allershausen · 2nd Round
Aug 27
Stephan Iserath
M15 Allershausen · 1st Round
Aug 26
Daniel Masur
M25 Ueberlingen · 1st Round
Aug 18
Justin Schlageter
M25 Muttenz · 1st Round
Aug 11
Daniel Siniakov
M25 Kassel · 1st Round
Jul 8
Saba Purtseladze
M25 Marburg · 2nd Round
Jul 2
Valdemar Frederik Pape
M25 Gentofte · 1st Round
Jul 29
Oleksii Krutykh
M15 Uslar · 2nd Round
Jul 16
Justin Schlageter
M15 Uslar · 1st Round
Jul 15
Manel Lazaro Juncadella
M15 Alkmaar · 1st Round
Jun 24
Marlon Vankan
M15 Saarlouis · Quarterfinals
Jun 19
Sydney Zick
M15 Saarlouis · 2nd Round
Jun 18
Calvin Mueller
M15 Saarlouis · 1st Round
Jun 16
Marcel Zielinski
M15 Rosbach · 2nd Round
Jun 4
Win rate
Matches, sets and games won · Last 12 months · 28–40 matches
| Metric | Mueller | Lien |
|---|---|---|
| Matches won | 55% | 43% |
| Sets won | 52% | 45% |
| Games won | 50% | 48% |
Record by tier
Head-to-head record by tournament tier
| Stage | Mueller | Lien |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Mueller | Lien |
|---|---|---|
| Clay | 0 | 1 |
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