Ramkumar Ramanathan and Stefan Kozlov have met 4 times since 2017; Ramkumar Ramanathan leads 3–1. Their most recent meeting: Ramkumar Ramanathan won at Atlanta (2022).
Playing styles and historical archetype record
Ramanathan
🤖 Servebot
Kozlov
⚔️ The Gladiator
Matchup analysis
The 🤖 Servebot archetype wins about 59% vs ⚔️ The Gladiator across 2,047 matches in our dataset — a stylistic lean toward Ramkumar Ramanathan.
Servebot players often use high ace rate and dominant service to pressure the the gladiator's physical intensity.
4 career meetings, newest first
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Ramanathan | Kozlov |
|---|---|---|
| W-L | - | 5–5 |
| Avg odds | - | 1.77 |
| ROI % | - | -17.4% |
| Units P/L | - | -1.74u |
Results vs. opponents both players faced · Last 12 months
Ramanathan has a higher win rate against shared opponents (100% vs Kozlov's 0%).
| Opponent | Ramanathan | Kozlov |
|---|---|---|
| Tsung-Hao Huang | W 61 63 | L 61 57 26 |
Last five matches per player
Hyeon Chung
Delhi Open 2026 · 2nd Round Qualifying
Feb 16
Tsung-Hao Huang
Delhi Open 2026 · 1st Round Qualifying
Feb 15
Arthur Reymond
Bengaluru Open · 1st Round Qualifying
Jan 4
Michael Vrbensky
Yokohama · 1st Round Qualifying
Nov 16
Yusuke Takahashi
Seoul · 1st Round Qualifying
Oct 26
Evan Bynoe
Fairfield · 1st Round Qualifying
Oct 5
Daniel Milavsky
Tiburon · 1st Round Qualifying
Sep 28
Renta Tokuda
Las Vegas · 1st Round Qualifying
Sep 21
Alejo Sanchez Quilez
Copa Faulconbridge · 2nd Round Qualifying
May 12
Mario Mansilla Diez
Copa Faulconbridge · 1st Round Qualifying
May 11
Nick Hardt
Savannah Challenger · Round of 16
Apr 22
Daniil Glinka
Savannah Challenger · Round of 32
Apr 20
Strong Kirchheimer
Tallahassee Tennis Challenger · 1st Round Qualifying
Apr 12
James Duckworth
Mexico City Open presentado por Banco BX+ · Round of 16
Apr 9
Alex Rybakov
Tallahassee Tennis Challenger · Round of 32
Apr 8
Raphael Perot
Mexico City Open presentado por Banco BX+ · Round of 32
Apr 7
Cumulative head-to-head lead over time
Matches, sets and games won · Last 12 months · 13–41 matches
| Metric | Ramanathan | Kozlov |
|---|---|---|
| Matches won | 23% | 56% |
| Sets won | 26% | 55% |
| Games won | 44% | 52% |
Head-to-head record by tournament tier
| Stage | Ramanathan | Kozlov |
|---|---|---|
| ATP 250 | 2 | 0 |
| ATP Challenger Tour | 1 | 1 |
Head-to-head record per surface
| Surface | Ramanathan | Kozlov |
|---|---|---|
| Hard | 3 | 0 |
| Clay | 0 | 1 |
