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Portrait of John Sperle, tennis player
Player research cockpit

JohnSperle

TennisJack analysis

John Sperle currently has a large TennisJack sample of 71 completed matches, with a 54.9% win rate in the loaded match history. The recent form line is 7-3 across the latest 10 completed matches.

Latest rank #496
M
Matches71Completed matches
%
Win rate54.9%Across all matches
F
Latest form7-3In latest 10 matches
I
Index statusStrong candidateProfile confidence
Performance metrics
Hold Base73.5%
Break Pressure33.9%
Latest form (10 matches)
7-3
W L W W W W W L W L
Surface profile
Clay
Canonical/players/john-sperle/
Index statusStrong candidate
Last updatedData from TennisJack
Profile intelligence

Ten signals worth watching.

Built from 71 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 punch53.5%
Service shield73.5%
Return bite33.9%
Decider risk22.5%
02

Favorite / Underdog Split

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

Favorite 77.8% 21-6 - 27 matches Avg odds 1.30 | 1+ set 85.2%
Underdog 29.2% 7-17 - 24 matches Avg odds 2.92 | 1+ set 37.5%
03

First Set Personality

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

Set 1 win53.5%
Breaks first S151.6%
Broken first S148.4%
Recovers S129.0%
04

Break Pressure Profile

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

Avg breaks3.21
Avg broken2.63
Balance0.58
Clean service matches16.9%
3+ breaks produced63.4%
Set 2 win50.7%
05

Clean Win / Comeback Index

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

51.3%Clean 2-0 share among wins
Clean 2-0 wins20
Comeback signals37
Lost set 1, won match5
Comeback index52.1%
06

Surface Edge

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

Primary surfaceClay
Primary record29-27
Primary WR51.8%
Best surfaceUnknown 69.2%
Clay29-2751.8%
Unknown9-469.2%
Hardcourt indoor1-150.0%
07

Odds Value Pulse

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

Avg win odds1.55
Avg loss odds2.69
Biggest win odds3.40
2.00+ odds WR28.6%
2.00+ sample21
Odds sample51
08

Decider Profile

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

Three-set share22.5%
Decider record10-6
Set 3 win62.5%
After losing S115.2%
09

Close Set Risk

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

Close sets31-44
Close-set WR41.3%
Tie-breaks8-13
Matches with tight set55
10

Momentum Trend

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

Stable form · 1 losses running
W L W W W W W L W L
Latest 5 WR60.0%
Previous 10 WR60.0%
Latest 53-2
Previous 106-4
Trend delta+0.0%
Latest 5 WR60.0%
Match log

All John Sperle matches in the TennisJack sample.

Scan date, tournament, surface, opponent, set score, result and service-return indicators before opening the deeper tools.

Open Player Research
DateMatchScoreResultHold / Break
22.09.2026R32 John Sperle vs Jay ClarkeChallenger Genoa 5-7 3-6Clay Loss
Hold
-
Break
-
20.09.2026Round 14 John Sperle vs Sergi Fita JuanChallenger Genoa 6-3 6-1Clay Win
Hold
-
Break
-
12.09.2026 John Sperle vs Lilian MarmousezM15 Budapest 3-6 6-7Surface pending Loss
Hold
60.0%
Break
27.3%
30.08.2026 John Sperle vs Ignacio MonzonM15 Pecs 4-6 6-2 6-3Surface pending Win
Hold
71.4%
Break
46.1%
29.08.2026 John Sperle vs Stepan BaumM15 Pecs 6-2 6-1Surface pending Win
Hold
87.5%
Break
71.4%
28.08.2026 John Sperle vs Lorenzo BocchiM15 Pecs 6-4 6-2Surface pending Win
Hold
88.9%
Break
44.4%
27.08.2026 John Sperle vs Kolos KincsesM15 Pecs 6-2 6-7 6-2Surface pending Win
Hold
71.4%
Break
53.3%
26.08.2026 John Sperle vs Tomas LanikM15 Pecs 6-0 7-5Surface pending Win
Hold
88.9%
Break
55.6%
20.08.2026 John Sperle vs Rafael GiotisM15 Lambermont 4-6 6-7Surface pending Loss
Hold
63.6%
Break
25.0%
19.08.2026 John Sperle vs Justas TrainauskasM15 Lambermont 6-4 6-2Surface pending Win
Hold
88.9%
Break
44.4%
12.08.2026 John Sperle vs Linus LagerbohmM15 Trier 6-4 6-4Surface pending Win
Hold
70.0%
Break
50.0%
05.07.2026Round 14 John Sperle vs Andrey ChepelevChallenger Braunschweig 2-6 4-6Clay Loss
Hold
44.4%
Break
25.0%
22.06.2026Round 19 John Sperle vs Radu Mihai PapoeChallenger Targu Mures 3-6 2-6Clay Loss
Hold
62.5%
Break
0.0%
21.06.2026Round 14 John Sperle vs Dominik PalanChallenger Targu Mures 6-3 6-2Clay Win
Hold
100.0%
Break
37.5%
19.06.2026 John Sperle vs Nico HipflM15 Gyula 3-6 4-6Clay Loss
Hold
66.7%
Break
10.0%
18.06.2026 John Sperle vs Adam JillyM15 Gyula 6-2 6-3Clay Win
Hold
100.0%
Break
44.4%
13.06.2026 John Sperle vs Attila Dominik BorosM15 Nyiregyhaza 3-6 3-6Clay Loss
Hold
44.4%
Break
22.2%
12.06.2026 John Sperle vs Nikita BelozertsevM15 Nyiregyhaza 7-6 6-3Clay Win
Hold
63.6%
Break
45.5%
11.06.2026 John Sperle vs Alexandr TiutchenkoM15 Nyiregyhaza 6-1 6-2Clay Win
Hold
100.0%
Break
57.1%
10.06.2026 John Sperle vs Sasha ColleuM15 Nyiregyhaza 6-4 6-1Clay Win
Hold
88.9%
Break
50.0%
03.06.2026 John Sperle vs Louis WesselsM15 Rosbach 3-6 6-4 2-6Surface pending Loss
Hold
64.3%
Break
15.4%
27.05.2026 John Sperle vs Cruz HewittM25 Troisdorf 4-6 3-6Clay Loss
Hold
60.0%
Break
11.1%
13.05.2026 John Sperle vs Liviu PopirlanM15 Prijedor 6-0 6-0Clay Win
Hold
100.0%
Break
100.0%
30.04.2026 John Sperle vs Emilien DemanetM15 Oegstgeest 4-6 0-6Clay Loss
Hold
37.5%
Break
12.5%
29.04.2026 John Sperle vs Ruben HartigM15 Oegstgeest 6-3 6-2Clay Win
Hold
100.0%
Break
37.5%
18.04.2026 John Sperle vs Sander JongM15 Dubrovnik 6-7 2-6Surface pending Loss
Hold
80.0%
Break
0.0%
16.04.2026 John Sperle vs Giovanni FonioM15 Dubrovnik 6-4 6-4Surface pending Win
Hold
90.0%
Break
30.0%
15.04.2026 John Sperle vs Noah LopezM15 Dubrovnik 6-3 5-1Surface pending Win
Hold
87.5%
Break
62.5%
31.03.2026 John Sperle vs Hugo Ruiz RodriguezM25 Reus 6-7 3-6Clay Loss
Hold
70.0%
Break
16.7%
23.03.2026Round 19 John Sperle vs Jakub PaulChallenger Naples 7-5 6-7 2-6Clay Loss
Hold
68.8%
Break
23.5%
22.03.2026Round 14 John Sperle vs Federico ArnaboldiChallenger Naples 6-4 6-7 6-2Clay Win
Hold
86.7%
Break
31.2%
17.03.2026R32 John Sperle vs Martin KrumichChallenger Zadar 5-7 4-6Clay Loss
Hold
45.5%
Break
40.0%
16.03.2026Round 19 John Sperle vs Stefan PalosiChallenger Zadar 6-1 4-6 7-6Clay Win
Hold
78.6%
Break
31.2%
15.03.2026Round 14 John Sperle vs Stefan PopovicChallenger Zadar 1-6 7-6 6-1Clay Win
Hold
71.4%
Break
23.1%
25.02.2026 John Sperle vs Toby MartinM15 Naples 4-6 6-3 4-6Clay Loss
Hold
66.7%
Break
28.6%
18.02.2026 John Sperle vs Teodor DavidovM15 Naples 5-7 4-6Clay Loss
Hold
45.5%
Break
36.4%
12.02.2026 John Sperle vs Tommaso CompagnucciM15 Sunrise 3-6 6-7Clay Loss
Hold
70.0%
Break
16.7%
11.02.2026 John Sperle vs Joao Victor C LoureiroM15 Sunrise 6-4 3-6 6-0Clay Win
Hold
75.0%
Break
41.7%
02.02.2026Round 19 John Sperle vs Liam GavrielidesChallenger Koblenz 3-6 5-7Hardcourt indoor Loss
Hold
70.0%
Break
9.1%
01.02.2026Round 14 John Sperle vs Adrian OetzbachChallenger Koblenz 7-6 6-3Hardcourt indoor Win
Hold
80.0%
Break
33.3%
21.01.2026 John Sperle vs Dusan ObradovicM25 Antalya 5-7 6-2 6-2Clay Win
Hold
85.7%
Break
35.7%
20.01.2026 John Sperle vs Karim BennaniM25 Antalya 6-4 6-2Clay Win
Hold
77.8%
Break
55.6%
28.10.2025 John Sperle vs Piet Luis PinterITF M15 Bol 6-3 6-1Clay Win
Hold
87.5%
Break
62.5%
22.10.2025 John Sperle vs Mirza BasicITF M15 Bol 4-6 4-6Clay Loss
Hold
60.0%
Break
20.0%
18.10.2025 John Sperle vs Maxime ChazalITF M15 Castellon 6-7 4-6Clay Loss
Hold
63.6%
Break
27.3%
18.10.2025 John Sperle vs Xavi PalomarITF M15 Castellon 6-2 6-4Clay Win
Hold
88.9%
Break
44.4%
28.09.2025Round 14 John Sperle vs Henri SquireChallenger Braga 4-6 1-6Clay Loss
Hold
62.5%
Break
0.0%
25.09.2025 John Sperle vs Nicolas Alvarez VaronaITF M25 Sabadell 4-6 4-6Clay Loss
Hold
70.0%
Break
10.0%
24.09.2025 John Sperle vs Diego Fernandez FloresM25 Sabadell 6-3 7-5Clay Win
Hold
90.9%
Break
30.0%
23.09.2025 John Sperle vs Luis Garcia PaezITF M25 Sabadell 6-3 6-1Clay Win
Hold
62.5%
Break
87.5%
16.09.2025Round 19 John Sperle vs Jack LogeChallenger Targu Mures 2-6 6-7Clay Loss
Hold
70.0%
Break
9.1%
15.09.2025Round 14 John Sperle vs Emilien DemanetChallenger Targu Mures 5-7 6-1 7-5Clay Win
Hold
75.0%
Break
40.0%
01.09.2025Round 19 John Sperle vs David Jorda SanchisChallenger Seville 5-7 1-6Clay Loss
Hold
44.4%
Break
22.2%
31.08.2025Round 14 John Sperle vs Federico IannacconeChallenger Seville 6-4 7-6Clay Win
Hold
72.7%
Break
33.3%
28.08.2025 John Sperle vs Eric VanshelboimITF M25 Oldenzaal 6-1 1-6 4-6Clay Loss
Hold
66.7%
Break
25.0%
27.08.2025 John Sperle vs Niklas GrunewaldITF M25 Oldenzaal 6-3 6-1Clay Win
Hold
100.0%
Break
50.0%
20.08.2025 John Sperle vs Twan Van ZijlITF M15 Huy 7-6 6-2Clay Win
Hold
60.0%
Break
54.5%
27.07.2025Round 14 John Sperle vs Neil OberleitnerChallenger Hagen 4-6 4-6Clay Loss
Hold
70.0%
Break
10.0%
02.07.2025 John Sperle vs Carl Emil OverbeckITF M15 Amstelveen 4-6 5-7Clay Loss
Hold
63.6%
Break
18.2%
24.06.2025R32 John Sperle vs Blaise BicknellChallenger Lima 4-6 5-7Clay Loss
Hold
72.7%
Break
9.1%
23.06.2025Round 19 John Sperle vs Juan Manuel La SernaChallenger Lima 7-6 6-4Clay Win
Hold
63.6%
Break
41.7%
22.06.2025Round 14 John Sperle vs Jose VelascoChallenger Lima 6-0 6-0Clay Win
Hold
100.0%
Break
100.0%
17.06.2025R32 John Sperle vs Genaro Alberto OlivieriChallenger Santa Cruz 0-6 3-6Clay Loss
Hold
28.6%
Break
12.5%
16.06.2025Round 19 John Sperle vs Lorenzo Joaquin RodriguezChallenger Santa Cruz 7-5 6-4Clay Win
Hold
90.9%
Break
27.3%
15.06.2025Round 14 John Sperle vs Arklon Huertas del Pino CordovaChallenger Santa Cruz 3-6 6-4 6-2Clay Win
Hold
69.2%
Break
42.9%
12.06.2025R16 John Sperle vs Santiago Rodriguez TavernaChallenger Santa Fe 6-7 2-6Clay Loss
Hold
60.0%
Break
18.2%
10.06.2025R32 John Sperle vs Renzo OlivoChallenger Santa Fe 7-6 6-2Clay Win
Hold
90.0%
Break
27.3%
08.06.2025Round 14 John Sperle vs Franco RiberoChallenger Santa Fe 6-4 6-3Clay Win
Hold
100.0%
Break
30.0%
28.05.2025 John Sperle vs Joao DominguesITF M15 La Nucia 6-3 3-6 2-6Clay Loss
Hold
69.2%
Break
15.4%
23.05.2025 John Sperle vs Bernabe Zapata MirallesITF M25 Mataro 6-1 6-7 6-7Clay Loss
Hold
-
Break
-
22.05.2025 John Sperle vs Lucas BouquetITF M25 Mataro 6-4 1-6 6-2Clay Win
Hold
-
Break
-