ATP 780
| Best 2026: | 753 |
| Best 2025: | 635 |
| Best 2024: | 677 |
| Best | 635 |
John Sperle |
| Land | Germany |
| Alder | 24 år / 175 cm / 73 kg |
| Forehand | Venstrehendt (To hender) |
| Fødested/Bosted | Frechen |
| Trener | Marc-Kevin Goellner |
| Inntjening | 48,608$ |
All
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
Performances
2025 Kvartfinale, Mataro 2025 Kvartfinale, Antalya 2025 2. runde, Santa Fe 2026 2. runde, Antalya 2025 2. runde, Sabadell 2025 2. runde, Oldenzaal 2025 2. runde, Antalya 2024 2. runde, Antalya 2024 2. runde, Oldenzaal 2024 2. runde, Duffel 2024 2. runde, Kiseljak 2023 2. runde, Monastir 2023 2. runde, Sabadell 2023 2. runde, Ystad 
