John Sperle tennis player profile visual with TennisJack stats and match analysis
TJPlayer research cockpit

John Sperle

TennisJack analysis

John Sperle currently has a large TennisJack sample of 60 completed matches, with a 51.7% win rate in the loaded match history. The recent form line is 5-5 across the latest 10 completed matches.

Latest rank #496
M
Matches60Completed matches
%
Win rate51.7%Across all matches
F
Latest form5-5In latest 10 matches
Performance metrics
Hold Base73.0%
Break Pressure31.9%
Latest form (10 matches)
5-5
L Oldest W 2 W 3 W 4 L 5 W 6 L 7 W 8 L 9 L Latest
Surface profile
Clay 58 matches · 51.7% WR
Germany flag
CountryGermanyCountry profile
PlayRightRight-handed
Highest Rank#635Singles career high
Age / Birthday24Born 30 Jan 2002
Profile intelligence

Ten signals worth watching.

Built from 60 completed TennisJack matches: form, surface, odds, pressure and close-set behavior. The full match log stays below for audit.

01

Player DNA

Quick fingerprint from starts, service base, return bite and decider exposure.

Balanced starts Break-heavy player Stable server
Set 1 punch51.7%
Service shield73.0%
Return bite31.9%
Decider risk23.3%
02

Favorite / Underdog Split

How the player behaves when priced as market favorite versus outsider.

Favorite 74.1% 20-7 - 27 matches Avg odds 1.33 | 1+ set 85.2%
Underdog 32.1% 9-19 - 28 matches Avg odds 2.80 | 1+ set 42.9%
03

First Set Personality

Shows whether the player starts cleanly, breaks first, or survives early pressure.

Set 1 win51.7%
Breaks first S155.2%
Broken first S144.8%
Recovers S123.1%
04

Break Pressure Profile

Return damage versus service leakage, built from set-level break counters.

Avg breaks3.08
Avg broken2.73
Balance0.35
Clean service matches16.7%
3+ breaks produced60.0%
Set 2 win48.3%
05

Clean Win / Comeback Index

Separates smooth 2-0 wins from matches where the player had to repair damage.

54.8%Clean 2-0 share among wins
Clean 2-0 wins17
Comeback signals29
Lost set 1, won match4
Comeback index48.3%
06

Surface Edge

Where the profile is most trustworthy and where the win rate really travels.

Primary surfaceClay
Primary record30-28
Primary WR51.7%
Best surfaceClay 51.7%
Clay30-2851.7%
Hardcourt indoor1-150.0%
07

Odds Value Pulse

Shows whether the player wins as expected or creates value at outsider prices.

Avg win odds1.64
Avg loss odds2.56
Biggest win odds3.40
2.00+ odds WR29.2%
2.00+ sample24
Odds sample55
08

Decider Profile

How often matches become complicated, and whether the player survives the third set.

Three-set share23.3%
Decider record8-6
Set 3 win57.1%
After losing S113.8%
09

Close Set Risk

Tie-break and 7-5 / 7-6 pressure profile, useful for spotting fragile edges.

Close sets26-38
Close-set WR40.6%
Tie-breaks8-10
Matches with tight set46
10

Momentum Trend

Compares the latest 5 matches with the previous 10 so form shifts are visible immediately.

Stable form · 2 losses running
L oldest W 2 W 3 W 4 L 5 W 6 L 7 W 8 L 9 L latest
Latest 5 2-3 40.0% WR
Trend delta -10.0% latest vs previous sample
Match log

All John Sperle matches in the TennisJack sample.

Scan date, tournament, surface, players, odds, final score, result and service-return indicators from completed matches.

Open Player Research
Win
21.06.2026Round 14
Challenger Targu MuresClay
vs
1.30
3.40
6-3 6-2
Hold
100.0%
Break
37.5%
Loss
23.03.2026Round 19
Challenger NaplesClay
vs
2.63
1.44
7-5 6-7 2-6
Hold
68.8%
Break
23.5%
Loss
16.09.2025Round 19
Challenger Targu MuresClay
vs
1.50
2.50
6-2 7-6
Hold
70.0%
Break
9.1%