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% | 2/2 | 55% | 16/29 |
| Wins a set when losing | 0% | 0/6 | 48% | 13/27 |
| Goes to a deciding set | 0% | 0/8 | 46% | 26/56 |
| Covers −1.5 sets as favorite | — | 42% | 13/31 | |
| Covers +1.5 sets as underdog | 14% | 1/7 | 68% | 15/22 |
| Tiebreak sets won | 0% | 0/3 | 41% | 7/17 |
| Wins after taking set 1 | 100% | 2/2 | 87% | 27/31 |
| Wins 2-0 after taking set 1 | 100% | 2/2 | 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: 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 55% vs 🪃 Counterpuncher across 3,438 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 | - | 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 | Ramanathan | 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
Sebastian Fanselow
Bundesliga - men
Jul 12
Maximilian Neuchrist
Iasi Challenger · 1st Round Qualifying
Jul 5
Peter Makk
Brasov Challenger · 1st Round Qualifying
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
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 · 8–56 matches
| Metric | Ramanathan | Kozlov |
|---|---|---|
| Matches won | 25% | 52% |
| Sets won | 25% | 51% |
| Games won | 44% | 51% |
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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