Collin Altamirano vs Stefan KozlovPrediction, Head-to-Head Results, and Stats
Collin Altamirano and Stefan Kozlov have met 2 times since 2015; Stefan Kozlov leads 2–0. Their first meeting came at Charlottesville in 2015 on hard. On hard courts Kozlov leads 2–0. Kozlov has won the last 2 meetings. Across all meetings Altamirano has taken 0 sets to Kozlov's 4. Their most recent meeting: Stefan Kozlov won at Lincoln (2024).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Altamirano | Kozlov | ||
|---|---|---|---|---|
| Indicator | Collin Altamirano | Stefan Kozlov | ||
| Wins in straight sets | — | 55% | 16/29 | |
| Wins a set when losing | — | 48% | 13/27 | |
| Goes to a deciding set | — | 46% | 26/56 | |
| Covers −1.5 sets as favorite | — | 42% | 13/31 | |
| Covers +1.5 sets as underdog | — | 68% | 15/22 | |
| Tiebreak sets won | — | 41% | 7/17 | |
| Wins after taking set 1 | — | 87% | 27/31 | |
| Wins 2-0 after taking set 1 | — | 52% | 16/31 | |
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: 2 of 2 completed meetings ended in straight sets (Altamirano 0, Kozlov 2).
Style Matchup
Playing styles and historical archetype record
Altamirano
🪃 Counterpuncher
Kozlov
🪃 Counterpuncher
Matchup analysis
Both Collin Altamirano and Stefan Kozlov are 🪃 Counterpuncher types. Mirror matchups usually come down to execution, fitness, and surface fit, across 5,190 matches in our dataset the historical split is about even.
Previous meetings
2 career meetings, newest first
Aug 4, 2024
Lincoln
H Hard · 1st Round Qualifying
Nov 4, 2015
Charlottesville
H Hard · Round of 32
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Altamirano | Kozlov |
|---|---|---|
| W-L | - | 2–7 |
| Avg odds | - | 2.20 |
| ROI % | - | -60.9% |
| Units P/L | - | -5.48u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Altamirano | Kozlov |
|---|---|---|
| Countries | — | 1 |
| Events | — | 3 |
| Matches | — | 4 |
| Distance | — | 2,418 mi · 3,891 km |
| Route | — | USA |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. 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
Govind Nanda
Calgary · 1st Round Qualifying
Oct 13
Christian Langmo
Tiburon · 1st Round Qualifying
Sep 29
Juan Pablo Ficovich
Las Vegas Challenger · 1st Round
Sep 10
Dane Sweeny
Las Vegas · 2nd Round Qualifying
Sep 9
Noah Schachter
Las Vegas · 1st Round Qualifying
Sep 8
Stefan Kozlov
Lincoln · 1st Round Qualifying
Aug 4
Juan Sebastian Osorio
San Miguel de Tucuman · 1st Round Qualifying
Apr 14
Patrick Brady
Cleveland · 2nd Round Qualifying
Jan 29
Mitchell Krueger
Columbus Challenger · 2nd Round
Oct 1
James Kent Trotter
Columbus Challenger · 1st Round
Sep 29
Colton Smith
San Diego 2 Challenger · 1st Round
Sep 22
Darwin Blanch
Tiburon Challenger · 1st Round
Sep 15
Harry Wendelken
Brownsburg Challenger · 2nd Round
Aug 13
Aidan Mayo
Brownsburg Challenger · 1st Round
Aug 12
Zachary Svajda
Citi Open - Washington · 1st Round Qualifying
Jul 25
Alan Magadan
Bloomfield Hills Challenger · 1st Round
Jul 21
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 56–56 matches
| Metric | Altamirano | Kozlov |
|---|---|---|
| Matches won | - | 52% |
| Sets won | - | 51% |
| Games won | - | 51% |
Record by tier
Head-to-head record by tournament tier
| Stage | Altamirano | Kozlov |
|---|---|---|
| ATP Challenger Tour | 0 | 2 |
By surface
Head-to-head record per surface
| Surface | Altamirano | Kozlov |
|---|---|---|
| Hard | 0 | 2 |
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