Ramkumar Ramanathan vs Stefan KozlovPrediction, Head-to-Head Results, and Stats
Ramkumar Ramanathan and Stefan Kozlov have met 4 times since 2017; Ramkumar Ramanathan leads 3–1. Their first meeting came at Savannah in 2017 on clay. On hard courts Ramanathan leads 3–0. Ramanathan has won the last 3 meetings. Across all meetings Ramanathan has taken 6 sets to Kozlov's 3. Their most recent meeting: Ramkumar Ramanathan won at Atlanta (2022).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Ramanathan | Kozlov | ||
|---|---|---|---|---|
| Indicator | Ramkumar Ramanathan | Stefan Kozlov | ||
| Wins in straight sets | 100% | 4/4 | 56% | 15/27 |
| Wins a set when losing | 9% | 1/11 | 52% | 11/21 |
| Goes to a deciding set | 7% | 1/15 | 48% | 23/48 |
| Covers −1.5 sets as favorite | 67% | 2/3 | 46% | 13/28 |
| Covers +1.5 sets as underdog | 9% | 1/11 | 76% | 13/17 |
| Tiebreak sets won | 22% | 2/9 | 47% | 7/15 |
| Wins after taking set 1 | 100% | 4/4 | 87% | 26/30 |
| Wins 2-0 after taking set 1 | 100% | 4/4 | 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. Head-to-head: 3 of 4 completed meetings ended in straight sets (Ramanathan 2, Kozlov 1).
Style Matchup
Playing styles and historical archetype record
Ramanathan
🤖 Servebot
Kozlov
🪃 Counterpuncher
Matchup analysis
The 🤖 Servebot archetype wins about 57% vs 🪃 Counterpuncher across 2,280 matches in our dataset: a stylistic lean toward Ramkumar Ramanathan.
Servebot players often use high ace rate and dominant service to pressure the counterpuncher's elite bp conversion.
Previous meetings
4 career meetings, newest first
Jul 23, 2022
Atlanta
H Hard · 1st Round Qualifying
Jul 24, 2021
Cary Challenger
H Hard · Semifinals
Feb 1, 2018
Delray Beach
H Hard · 1st Round Qualifying
May 4, 2017
Savannah
C Clay · Round of 16
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Ramanathan | Kozlov |
|---|---|---|
| W-L | 0–2 | 3–4 |
| Avg odds | 3.88 | 2.54 |
| ROI % | -100.0% | +13.0% |
| Units P/L | -2.00u | +0.91u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Ramanathan | Kozlov |
|---|---|---|
| Countries | — | 1 |
| Events | — | 1 |
| Matches | — | 2 |
| Distance | — | 0 mi · 0 km |
| Route | — | 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.
Recent Form
Last five matches per player
Sebastian Fanselow
Bundesliga - men
Jul 12
Maximilian Neuchrist
Iasi challenger
Jul 5
Peter Makk
Brasov challenger
Jun 28
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
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
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 15–48 matches
| Metric | Ramanathan | Kozlov |
|---|---|---|
| Matches won | 27% | 56% |
| Sets won | 29% | 55% |
| Games won | 45% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Ramanathan | Kozlov |
|---|---|---|
| ATP 250 | 2 | 0 |
| ATP Challenger Tour | 1 | 1 |
By surface
Head-to-head record per surface
| Surface | Ramanathan | Kozlov |
|---|---|---|
| Hard | 3 | 0 |
| Clay | 0 | 1 |
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