Prediction of Ramkumar Ramanathan vs Hunter Callahan Head-to-Head, At
Wojtek Kolan
HEAD TO HEAD
R. Ramanathan vs H. Callahan
Ramkumar Ramanathan
IND
l
l
w
w
l
l
l
l
l
l
2
Win
2
Played
0
Win
31
Age
32
6'2" (188 cm)
Height
6'3" (191 cm)
629
C. Rank
Ret.
111
Best Rank
696
0
Total Titles
0
0
YTD Titles
0
$439.6K
Career Money
$0
Right-Handed
Plays
Right-Handed
Hunter Callahan
USA
l
w
l
w
l
w
l
w
l
l
2
Win
2
Played
0
Win
31
Age
32
6'2" (188 cm)
Height
6'3" (191 cm)
629
C. Rank
Ret.
111
Best Rank
696
0
Total Titles
0
0
YTD Titles
0
$439.6K
Career Money
$0
Right-Handed
Plays
Right-Handed
Head-to-head: Ramanathan 2 - 0 Callahan
They have played 5 sets in total, with Ramkumar Ramanathan winning 4 and Hunter Callahan winning 1. The last match between Ramkumar Ramanathan and Hunter Callahan was at the USA F9 (Orlando), 01-03-2017, Round: R1, Surface: Clay, with Ramkumar Ramanathan getting the victory 6-1 6-2.
| Players | Head To Head Match Wins |
|---|---|
| Ramanathan | 2 |
| Callahan | 0 |
Last 2 H2H Matches:
(R1) USA F9 (Orlando)(03-01-17)
Ramkumar Ramanathan
6
6
Hunter Callahan
1
2
(R1) USA F25(08-10-15)
Ramkumar Ramanathan
4
6
6
Hunter Callahan
6
2
1
R. Ramanathan vs H. Callahan H2H Profile
| Stats | ||
|---|---|---|
| $439,635 | Career Prize Money | $0 |
| 52.23% (445-407) | Career Total W/L | 60.35% (137-90) |
| 1 | Clay | 0 |
| 1 | Hard | 0 |
| 21 | Titles | 0 |
| 2 | Total H2H Matches | 0 |
| 100.00% (1-0) | YTD Win/Loss | 0% (0-0) |
R. Ramanathan vs H. Callahan Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Ramkumar Ramanathan has won 46.40% of points on their second serve, while Hunter Callahan has won 0%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Ramkumar Ramanathan, in recent form, has won 39.69% of their opponent's second serve points, while Hunter Callahan has won 0%. The same stats for first serve returns are 22.40% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Ramkumar Ramanathan has saved 53.33% of breakpoints in recent form, whereas Hunter Callahan has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Ramkumar Ramanathan has won 25.93% of matches played (W/L 7/20), with Hunter Callahan winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
- Best surface: Ramkumar Ramanathan has their best career surface win % on Hard, winning 57% (W/L 294/226), and worse career win % on I.hard, winning 39% (W/L 28/43). Hunter Callahan has their best career surface win % on Clay, winning 57% (W/L 60/39), and worse career win % on I.hard, winning 58% (W/L 18/13).
- Player level: In the last year, Ramkumar Ramanathan has played most of their matches on the Challengers/ITF tournaments > $10K, winning 21.74% of matches (W/L 5/18), where as Hunter Callahan has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Direct H2H matches: They have played 2 times before with Ramkumar Ramanathan winning 2 times and Hunter Callahan being victorious 0 times. They have played 5 sets in total, with Ramkumar Ramanathan winning 4 and Hunter Callahan winning 1.
- The last match between Ramkumar Ramanathan and Hunter Callahan was at the USA F9 (Orlando), 01-03-2017, Round: R1, Surface: Clay, with Ramkumar Ramanathan getting the victory 6-1 6-2.
- Head to head match duration: In past head to head matches, the average match time between these players has been 0:35:30.
- Opponent quality stats: Over the last 12 months, Ramkumar Ramanathan has played against opponents with an average rank of 427.04 while Hunter Callahan has played against players with an average rank of 0.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Ramkumar Ramanathan has won 14% of deciding sets over the last 12 months, while Hunter Callahan has won 0% in all matches played on tour.
- Break point conversion: In recent form, Ramkumar Ramanathan has converted 30.77% of breakpoint opportunities, and Hunter Callahan has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Ramkumar Ramanathan vs Hunter Callahan Editorial Preview By TennisTipster88.
R. Ramanathan vs H. Callahan H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 2 | H2H Matches Won | 0 |
| 4 | Sets Won | 1 |
| 28 | Games Won | 12 |
| 7 | Aces (Total) | 3 |
| 2 | Total Double Faults | 1 |
| 0:35:30 | Average Match Time | 0:35:30 |
| 54% (25/46) | 1st Serve % | 63% (33/52) |
| 80% (20/25) | 1st Serve Win % | 64% (21/33) |
| 67% (14/21) | 2nd Serve Win % | 26% (5/19) |
| 36% (4/11) | Break Pts Won % | 0% (0/1) |
| 50% (26/52) | Return Points Win % | 26% (12/46) |
| 100% (2/2) | Best‑of‑3 Win % | 0% (0/2) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/1) |
| 0% (0/1) | 1st Set Won, Lost Match | 100% (1/1) |
| 100% (1/1) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Ramanathan 47%, Callahan 0%.
Opp 2nd Serve Pts Won: Ramanathan 48%, Callahan 0%.
Break Points Saved %: Ramanathan 52%, Callahan 0%.
R. Ramanathan Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Yokohama Challenger - 17-11-2025 | ||||
Q1  Michael VrbenskyM. Vrbensky | L | 7-5 6-4 | ||
| Seoul Challenger - 27-10-2025 | ||||
Q1  Yusuke TakahashiY. Takahashi | L | 6-1 7-6(5) | ||
| Fairfield Challenger - 06-10-2025 | ||||
Q1 Evan BynoeE. Bynoe | L | 7-6(1) 1-6 6-0 | ||
| Tiburon Challenger - 29-09-2025 | ||||
Q1 Daniel MilavskyD. Milavsky | L | 6-3 7-6(7) | ||
| Las Vegas Challenger - 22-09-2025 | ||||
Q1 Renta TokudaR. Tokuda | L | 6-4 6-4 | ||
H. Callahan Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| USA F18 (Pittsburgh) - 25-06-2018 | ||||
R1  Juan Alejandro HernandezJ. Alejandro | L | 6-2 6-2 | ||
 USA F39 (Waco) - 27-11-2017 | ||||
R2 Ryan ShaneR. Shane | L | 7-6(3) 6-2 | ||
R1  Samm ButlerS. Butler | W | 6-4 6-4 | ||
| USA F38 (Columbus) - 20-11-2017 | ||||
R2 Alexander SarkissianA. Sarkissian | L | 6-2 7-5 | ||
R1 Vidit VaghelaV. Vaghela | W | 6-4 6-3 | ||
R. Ramanathan vs H. Callahan Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 52.23% (445/407) | YTD Win/Loss | 60.35% (137/90) |
| 51.63% (1014/950) | Sets Win/Loss | 59.25% (301/207) |
| 51.02% (9683/9296) | Games Win/Loss | 54.14% (2536/2148) |
| 56.54% (294/226) | Hard Win/Loss | 60.82% (59/38) |
| 43.82% (78/100) | Clay Win/Loss | 60.61% (60/39) |
| 43.75% (42/54) | Indoor Hard W/L | 58.06% (18/13) |
| 53.45% (31/27) | Grass Win/Loss | 0% (0/0) |
| 0.49 | Aces Per Game | 0.16 |
| 4548 | Aces Total | 363 |
| 0.24 | Double Faults Per Game | 0.09 |
| 2271 | Total Double Faults | 199 |
| 1:8:17 | Average Match Time | 1st Match |
| 567.92 | Average Opponent Rank | 384.07 |
| 59% (26069/43920) | 1st Serve % | 61% (4004/6564) |
| 73% (19135/26069) | 1st Serve Win % | 67% (2701/4004) |
| 51% (9025/17851) | 2nd Serve Win % | 50% (1276/2560) |
| 39% (1373/3495) | Break Points Won % (Total) | 41% (248/609) |
| 35% (15313/43196) | Return Points Win % | 38% (2503/6574) |
| 33.33% (13/26) | Slam W/L | 0% (0/0) |
| 35.29% (6/11) | Masters W/L | 0% (0/0) |
| 50.00% (11/11) | Cups W/L | 0% (0/0) |
| 47.67% (41/45) | Main Tour W/L | 0% (0/0) |
| 43.28% (161/211) | Challenger W/L | 42.86% (9/12) |
| 67.41% (213/103) | Futures W/L | 62.14% (128/78) |
| 52% (432/830) | Best of 3 Sets Win % | 59% (131/221) |
| 63% (10/16) | Best of 5 Sets Win % | 100% (3/3) |
| 44% (137/309) | Tiebreaks Win % (Total) | 49% (26/53) |
| 52% (127/245) | Deciding Set Win % | 43% (23/54) |
| 86% (426/365) | 1st Set Won, Won Match | 89% (131/117) |
| 14% (426/60) | 1st Set Won, Lost Match | 11% (131/14) |
| 19% (426/79) | 1st Set Lost, Won Match | 20% (96/19) |
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