H2H data updated: 2026-07-19 19:16 UTC
Stefan Kozlov vs Guido Pella H2H: 0-1
Guido Pella holds a 1–0 lead over Stefan Kozlov in their ATP head-to-head. Across 1 main-draw meeting, Guido Pella leads 1–0 on clay. Most recently, Guido Pella won the 2018 Houston third round 6-3 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
United States
Age 28
Right-Handed
183 cm / 6'0"
H2H
0
–
1
1 main draw meetings
ARG
Age 36
Left-Handed
183 cm / 6'0"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Apr 12, 2018* | Houston | ATP 250 | R32 | Clay | Guido Pella | 6-3 6-2 | Stefan Kozlov | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stefan Kozlov | #296 | #103 | 558 | 1,673 | 9 | 26 | 25.7% | 0 | 0 | 0 | 0 | 0 | 0 |
| Guido Pella | #1,079 | #20 | 1,735 | 1,945 | 115 | 142 | 44.7% | 0 | 0 | 0 | 0 | 1 | 1 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Stefan Kozlov | Guido Pella | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 15 | 2013 | 0–1 | 0.0% | #1083 | 1,489 | 0 | 0 | — | — | — | — | — | — | — |
| 16 | 2014 | 0–1 | 0.0% | #467 | 1,453 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | 2015 | 0–2 | 0.0% | #351 | 1,420 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2016 | 3–2 | 60.0% | #116 | 1,481 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2017 | 2–9 | 18.2% | #167 | 1,549 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2018 | 0–1 | 0.0% | #316 | 1,528 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2020 | 0–1 | 0.0% | #371 | 1,514 | 0 | 0 | 2012 | 0–1 | 0.0% | #97 | 1,537 | 0 | 0 |
| 23 | 2021 | 0–1 | 0.0% | #159 | 1,550 | 0 | 0 | 2013 | 4–12 | 25.0% | #118 | 1,566 | 0 | 0 |
| 24 | 2022 | 4–8 | 33.3% | #198 | 1,529 | 0 | 0 | 2014 | 3–4 | 42.9% | #155 | 1,562 | 0 | 0 |
| 25 | — | — | — | — | — | — | — | 2015 | 1–4 | 20.0% | #74 | 1,637 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 2016 | 14–21 | 40.0% | #80 | 1,689 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 2017 | 16–15 | 51.6% | #64 | 1,801 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 2018 | 23–22 | 51.1% | #58 | 1,752 | 0 | 0 |
| 29 | — | — | — | — | — | — | — | 2019 | 34–25 | 57.6% | #25 | 1,840 | 0 | 1 |
| 30 | — | — | — | — | — | — | — | 2020 | 5–8 | 38.5% | #43 | 1,762 | 0 | 1 |
| 31 | — | — | — | — | — | — | — | 2021 | 6–17 | 26.1% | #74 | 1,691 | 0 | 1 |
| 33 | — | — | — | — | — | — | — | 2023 | 9–13 | 40.9% | #192 | 1,666 | 0 | 1 |