Jacob Brumm vs Zhengqing Ji Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
J. Brumm vs Z. Ji
Jacob Brumm
USA
l
l
l
w
l
l
w
l
w
l
1
Win
1
Played
0
Win
26
Age
20
-
Height
-
686
C. Rank
0
607
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-
Zhengqing Ji
CHN
l
l
w
w
l
l
l
w
w
l
1
Win
1
Played
0
Win
26
Age
20
-
Height
-
686
C. Rank
0
607
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-
Head-to-head: Brumm 1 - 0 Ji
They have played 2 sets in total, with Jacob Brumm winning 2 and Zhengqing Ji winning 0. The last match between Jacob Brumm and Zhengqing Ji was at the M15 San Diego, 05-06-2024, Round: R1, Surface: Hard, with Jacob Brumm getting the victory 6-3 6-1.
| Players | Head To Head Match Wins |
|---|---|
| Brumm | 1 |
| Ji | 0 |
Last 1 H2H Matches:
(R1) M15 San Diego(06-05-24)
Jacob Brumm
6
6
Zhengqing Ji
3
1
J. Brumm vs Z. Ji H2H Profile
J. Brumm vs Z. Ji Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Jacob Brumm has won 43.29% of points on their second serve, while Zhengqing Ji has won 0%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Jacob Brumm, in recent form, has won 42.52% of their opponent's second serve points, while Zhengqing Ji has won 0%. The same stats for first serve returns are 26.98% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Jacob Brumm has saved 54.95% of breakpoints in recent form, whereas Zhengqing Ji has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Jacob Brumm has won 46.55% of matches played (W/L 27/31), with Zhengqing Ji winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
- Best surface: Jacob Brumm has their best career surface win % on Hard, winning 53% (W/L 127/114), and worse career win % on I.hard, winning 30% (W/L 6/14). Zhengqing Ji has their best career surface win % on Hard, winning 53% (W/L 7/10), and worse career win % on Clay, winning 33% (W/L 1/2).
- Player level: In the last year, Jacob Brumm has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 45.65% of matches (W/L 21/25), where as Zhengqing Ji 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 1 times before with Jacob Brumm winning 1 times and Zhengqing Ji being victorious 0 times. They have played 2 sets in total, with Jacob Brumm winning 2 and Zhengqing Ji winning 0.
- The last match between Jacob Brumm and Zhengqing Ji was at the M15 San Diego, 05-06-2024, Round: R1, Surface: Hard, with Jacob Brumm getting the victory 6-3 6-1.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:49:0.
- Opponent quality stats: Over the last 12 months, Jacob Brumm has played against opponents with an average rank of 298.86 while Zhengqing Ji 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, Jacob Brumm has won 56% of deciding sets over the last 12 months, while Zhengqing Ji has won 0% in all matches played on tour.
- Break point conversion: In recent form, Jacob Brumm has converted 32.41% of breakpoint opportunities, and Zhengqing Ji 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.
Jacob Brumm vs Zhengqing Ji Editorial Preview By TennisTipster88.
J. Brumm vs Z. Ji H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 12 | Games Won | 4 |
| 3 | Aces (Total) | 5 |
| 5 | Total Double Faults | 1 |
| 1:49:0 | Average Match Time | 1:49:0 |
| 58% (35/60) | 1st Serve % | 53% (34/64) |
| 66% (23/35) | 1st Serve Win % | 53% (18/34) |
| 52% (13/25) | 2nd Serve Win % | 40% (12/30) |
| 45% (5/11) | Break Pts Won % | 25% (1/4) |
| 53% (34/64) | Return Points Win % | 40% (24/60) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Brumm 49%, Ji 0%.
Opp 2nd Serve Pts Won: Brumm 51%, Ji 0%.
Break Points Saved %: Brumm 59%, Ji 0%.
J. Brumm Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 M15 Tallahassee - 17-11-2025 | ||||
R2 Noah ZamoraN. Zamora | L | 6-4 6-2 | ||
R1 Benjamin WillwerthB. Willwerth | W | 6-2 3-6 6-2 | ||
| Champaign Challenger - 10-11-2025 | ||||
Q3 Ryan FishbackR. Fishback | L | 6-2 3-0 ret. | ||
Q1 Drew Van OrderlainD. Van | W | 7-6(0) 6-4 | ||
| Sioux Falls Challenger - 20-10-2025 | ||||
Q1 Andrew FentyA. Fenty | L | 6-3 6-4 | ||
Z. Ji Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M15 San Diego - 10-06-2024 | ||||
R1 Patrick MaloneyP. Maloney | L | 7-5 6-3 | ||
Q3 Avery TallaksonA. Tallakson | W | 7-6(1) 6-3 | ||
Q1 Jaden WilliamsJ. Williams | W | 6-1 6-1 | ||
| M15 San Diego - 03-06-2024 | ||||
R1 Jacob BrummJ. Brumm | L | 6-3 6-1 | ||
 M25 La Nucia - 27-05-2024 | ||||
Q1  Arystanbek KaparovA. Kaparov | L | w/o | ||
J. Brumm vs Z. Ji Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 51.14% (157/150) | YTD Win/Loss | 40.00% (8/12) |
| 51.67% (355/332) | Sets Win/Loss | 43.18% (19/25) |
| 51.40% (3217/3042) | Games Win/Loss | 49.34% (223/229) |
| 52.70% (127/114) | Hard Win/Loss | 41.18% (7/10) |
| 52.17% (24/22) | Clay Win/Loss | 33.33% (1/2) |
| 30.00% (6/14) | Indoor Hard W/L | 0% (0/0) |
| 0.16 | Aces Per Game | 0.1 |
| 491 | Aces Total | 23 |
| 0.2 | Double Faults Per Game | 0.1 |
| 614 | Total Double Faults | 22 |
| 1:15:56 | Average Match Time | 1st Match |
| 335.46 | Average Opponent Rank | 318.15 |
| 59% (7810/13280) | 1st Serve % | 61% (293/483) |
| 65% (5106/7810) | 1st Serve Win % | 66% (193/293) |
| 49% (2654/5470) | 2nd Serve Win % | 49% (94/190) |
| 43% (573/1330) | Break Points Won % (Total) | 45% (9/20) |
| 40% (5340/13298) | Return Points Win % | 34% (139/411) |
| 33.33% (10/20) | Challenger W/L | 0% (0/0) |
| 53.07% (147/130) | Futures W/L | 40.00% (8/12) |
| 52% (156/300) | Best of 3 Sets Win % | 40% (8/20) |
| 0% (0/4) | Best of 5 Sets Win % | 0% (0/0) |
| 64% (35/55) | Tiebreaks Win % (Total) | 25% (2/8) |
| 47% (34/72) | Deciding Set Win % | 25% (1/4) |
| 86% (161/139) | 1st Set Won, Won Match | 78% (9/7) |
| 14% (161/22) | 1st Set Won, Lost Match | 22% (9/2) |
| 12% (146/18) | 1st Set Lost, Won Match | 9% (11/1) |
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