Mario Mansilla Diez vs Stefan KozlovPrediction, Head-to-Head Results, and Stats
Mario Mansilla Diez and Stefan Kozlov have met 1 time since 2026; Stefan Kozlov leads 1–0. Across all meetings Diez has taken 0 sets to Kozlov's 2. Their most recent meeting: Stefan Kozlov won at Copa Faulconbridge (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Mansilla Diez | Kozlov | ||
|---|---|---|---|---|
| Indicator | Mario Mansilla Diez | Stefan Kozlov | ||
| Wins in straight sets | 100% | 1/1 | 56% | 15/27 |
| Wins a set when losing | 0% | 0/5 | 52% | 11/21 |
| Goes to a deciding set | 0% | 0/6 | 48% | 23/48 |
| Covers −1.5 sets as favorite | 50% | 1/2 | 46% | 13/28 |
| Covers +1.5 sets as underdog | 0% | 0/4 | 76% | 13/17 |
| Tiebreak sets won | 0% | 0/1 | 47% | 7/15 |
| Wins after taking set 1 | 100% | 1/1 | 87% | 26/30 |
| Wins 2-0 after taking set 1 | 100% | 1/1 | 50% | 15/30 |
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 (Mansilla Diez 0, Kozlov 1).
Style Matchup
Playing styles and historical archetype record
Diez
⚔️ The Gladiator
Kozlov
🪃 Counterpuncher
Matchup analysis
⚔️ The Gladiator vs 🪃 Counterpuncher is historically tight (51% vs 49%, 1,935 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
May 11, 2026
Copa Faulconbridge
C Clay · 1st Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Diez | Kozlov |
|---|---|---|
| W-L | 0–1 | 3–4 |
| Avg odds | 1.42 | 2.54 |
| ROI % | -100.0% | +13.0% |
| Units P/L | -1.00u | +0.91u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Diez | Kozlov |
|---|---|---|
| Countries | 1 | 1 |
| Events | 1 | 1 |
| Matches | 1 | 2 |
| Distance | — | 0 mi · 0 km |
| Route | ESP | USA |
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
Across 1 shared opponent, both Diez and Kozlov posted a 0% win rate.
| Opponent | Diez | Kozlov |
|---|---|---|
| Alejo Sanchez Quilez | L 67 16 | L 57 46 |
Recent Form
Last five matches per player
Jose Dominguez Alonso
M25 Oviedo · 1st Round
Aug 25
Stefan Kozlov
Copa Faulconbridge · 1st Round Qualifying
May 11
Buvaysar Gadamauri
ITC Crete Challenger · 1st Round Qualifying
Mar 1
Alejo Sanchez Quilez
Tenerife Challenger 1 · 2nd Round Qualifying
Feb 2
Daniil Golubev
Tenerife Challenger 1 · 1st Round Qualifying
Feb 1
Jonas Forejtek
Seville · 1st Round Qualifying
Aug 31
Gian Marco Moroni
Valencia · 1st Round Qualifying
Nov 20
Ricardo Villacorta-Alonso
Segovia · 1st Round Qualifying
Jul 31
Harry Wendelken
Brownsburg Challenger · 2nd Round
Aug 13
Aidan Mayo
Brownsburg Challenger · 1st Round
Aug 12
Alan Magadan
Bloomfield Hills Challenger · 1st Round
Jul 21
Yi Zhou
Pozoblanco Challenger · 1st Round
Jul 14
Tommaso Compagnucci
Bundesliga - men
Jul 12
Jacob Fearnley
Newport Challenger · 2nd Round
Jul 10
Yibing Wu
Newport Challenger · 1st Round
Jul 9
Garrett Johns
Newport challenger
Jul 7
Win rate
Matches, sets and games won · Last 12 months · 6–48 matches
| Metric | Diez | Kozlov |
|---|---|---|
| Matches won | 17% | 56% |
| Sets won | 17% | 55% |
| Games won | 36% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Diez | Kozlov |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Diez | Kozlov |
|---|---|---|
| Clay | 0 | 1 |
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