Name: Jan Choinski
Country: Germany
Birthdate: 10.06.96, 22 years
ATP ranking: 284
TOP ranking's position: 234 (16.04.18, 233 points)
Points: 146
Prize money: 111058 $
Matches total: 372
Win: 222
%: 59.68 %
Country: Germany
Birthdate: 10.06.96, 22 years
ATP ranking: 284
TOP ranking's position: 234 (16.04.18, 233 points)
Points: 146
Prize money: 111058 $
Matches total: 372
Win: 222
%: 59.68 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2019 | 7/5 | 0/2 | 0/0 | 7/3 | 0/0 | 0/0 | 0/0 |
| 2018 | 37/33 | 7/8 | 23/15 | 3/5 | 4/3 | 0/2 | 0/0 |
| 2017 | 57/22 | 16/8 | 37/11 | 0/1 | 4/2 | 0/0 | 0/0 |
| 2016 | 32/29 | 13/10 | 10/11 | 2/2 | 7/5 | 0/1 | 0/0 |
| 2015 | 48/31 | 0/2 | 24/16 | 17/10 | 6/2 | 1/1 | 0/0 |
| 2014 | 28/16 | 7/3 | 17/8 | 1/1 | 3/3 | 0/1 | 0/0 |
| 2013 | 12/12 | 0/0 | 6/7 | 3/3 | 3/2 | 0/0 | 0/0 |
| 2012 | 1/2 | 0/0 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 222/150 | 43/33 | 118/70 | 33/25 | 27/17 | 1/5 | 0/0 |
| perc. % | 59.68 % | 56.58 % | 62.77 % | 56.9 % | 61.36 % | 16.67 % | 0 % |
Jan Choinski / scheduled / last
| 21.02.19 09:05 | 3rd round | Jay Clarke | Jan Choinski | match details |  Bergamo Challenger | I. hard |
Jan Choinski / last 50 matches
| 19.02.19 | 2nd round | Jan Choinski | Federico Arnaboldi | 6-3, 6-1 |  | match details | Bergamo Challenger | I. hard |
| 18.02.19 | 1st round | Jan Choinski | Benjamin Bonzi | 6-0, 4-2, Benjamin Bonzi - retired | | match details | ||
| 05.02.19 | 2nd round | Reilly Opelka | Jan Choinski | 4-6, 6-3, 6-4 |  | match details |  Dallas Challenger | I. hard |
| 04.02.19 | 1st round | Jan Choinski | Evan Zhu | 6-4, 6-4 | | match details | ||
| 29.01.19 | 2nd round | Dustin Brown | Jan Choinski | 7-65, 1-6, 7-61 | | match details | Cleveland Challenger | I. hard |
| 28.01.19 | 1st round | Jan Choinski | Tom Jomby | 6-2, 2-1, Tom Jomby - retired | | match details | ||
| 22.01.19 | 1st round | Christian Harrison | Jan Choinski | 6-2, 6-75, 6-4 | | match details | Newport Beach | Hard |
| 11.01.19 | 1/4 | Jeff Wolf | Jan Choinski | 6-2, 6-1 | | match details | Columbus Challenger | I. hard |
| 10.01.19 | 3rd round | Jan Choinski | Laurynas Grigelis | 7-64, 4-6, 6-2 | | match details | ||
| 08.01.19 | 2nd round | Jan Choinski | Benjamin Bonzi | 6-3, 6-3 | | match details | ||
| 07.01.19 | 1st round | Jan Choinski | Alejandro Gonzalez | 6-2, 6-3 | | match details | ||
| 31.12.18 | 1st round | Sam Riffice | Jan Choinski | 6-1, 2-6, 6-3 | | match details | Orlando Challenger | Hard |
| 04.11.18 | q 1 | Ryan Shane | Jan Choinski | 3-6, 6-1, 7-65 | | match details | Knoxville Challenger | I. hard |
| 28.10.18 | q 2 | Nuno Borges | Jan Choinski | 6-3, 1-6, 6-3 | | match details | Charlottesville Challenger | I. hard |
| 27.10.18 | q 1 | Jan Choinski | Ryan Shane | 4-6, 6-2, 7-64 | | match details | ||
| 23.10.18 | 1st round | Roberto Ortega-Olmedo | Jan Choinski | 6-3, 6-4 | | match details | Las Vegas | Hard |
| 18.10.18 | 2nd round | Casper Ruud | Jan Choinski | 6-3, 6-2 | | match details |  Calgary Challenger | I. hard |
| 15.10.18 | 1st round | Jan Choinski | Stefan Kozlov | 6-3, 6-3 | | match details | ||
| 07.10.18 | q 2 | Marc-Andrea Huesler | Jan Choinski | 6-3, 6-1 | | match details | Fairfield Challenger | Hard |
| 06.10.18 | q 1 | Jan Choinski | William Griffith | 6-4, 7-66 | | match details | ||
| 02.10.18 | 1st round | Casper Ruud | Jan Choinski | 6-3, 6-0 | | match details | Stockton Challenger | Hard |
| 24.09.18 | qual. | Roberto Ortega-Olmedo | Jan Choinski | 7-61, 6-3 | | match details | Tiburon Challenger | Hard |
| 23.09.18 | q 2 | Jan Choinski | Alejandro Gomez | 6-4, 1-6, 6-0 | | match details | ||
| 22.09.18 | q 1 | Jan Choinski | Ryder Jackson | 6-0, 6-3 | | match details | ||
| 17.09.18 | 1st round | Jeff Wolf | Jan Choinski | 7-5, 6-4 | | match details | Columbus Challenger | I. hard |
| 11.09.18 | 1st round | Donald Young | Jan Choinski | 6-74, 6-2, 6-1 | | match details | Cary Challenger | Hard |
| 26.08.18 | fin | Jan Choinski | Colin Sinclair | 3-6, 7-60, 6-3 | | match details |  Belgium F9 | Clay |
| 25.08.18 | 1/2 | Jan Choinski | Samuel Brosset | 6-3, 6-3 | | match details | ||
| 24.08.18 | 1/4 | Jan Choinski | Dan Added | 6-3, 6-0 | | match details | ||
| 22.08.18 | 2nd round | Jan Choinski | Nikolas Sanchez-Izquierdo | 6-3, 6-3 | | match details | ||
| 21.08.18 | 1st round | Jan Choinski | Felipe Martinez Sarrasague | 6-2, 6-0 | | match details | ||
| 19.08.18 | fin | Filip Horansky | Jan Choinski | 6-77, 6-3, 6-3 | | match details |  Meerbusch Challenger | Clay |
| 18.08.18 | 1/2 | Jan Choinski | Dustin Brown | 6-4, 6-3 | | match details | ||
| 17.08.18 | 1/4 | Jan Choinski | Bernabe Zapata Miralles | 5-7, 6-2, 6-1 | | match details | ||
| 15.08.18 | 2nd round | Jan Choinski | Zizou Bergs | 6-3, 6-4 | | match details | ||
| 14.08.18 | 1st round | Jan Choinski | Andreas Haider-Maurer | 6-1, 6-4 | | match details | ||
| 11.08.18 | fin | Jan Choinski | Benjamin Hassan | 6-4, 3-6, 6-3 | | match details | Germany F11 | Clay |
| 10.08.18 | 1/2 | Jan Choinski | Christoph Negritu | 6-4, 6-3 | | match details | ||
| 09.08.18 | 1/4 | Jan Choinski | Constantin Schmitz | 6-3, 6-2 | | match details | ||
| 08.08.18 | 2nd round | Jan Choinski | Leonard Von Hindte | 7-5, 7-5 | | match details | ||
| 07.08.18 | 1st round | Jan Choinski | Chris Rodesch | 6-1, 7-5 | | match details | ||
| 01.08.18 | 2nd round | Paolo Lorenzi | Jan Choinski | 7-5, 6-0 | | match details |  Sopot Challenger | Clay |
| 31.07.18 | 1st round | Jan Choinski | Gleb Sakharov | 0-6, 6-4, 6-1 | | match details | ||
| 24.07.18 | 1st round | Andrea Arnaboldi | Jan Choinski | 6-2, 6-0 | | match details | Padova Challenger | Clay |
| 17.07.18 | 1st round | Botic Van De Zandschulp | Jan Choinski | 7-5, 6-2 | | match details |  Scheveningen Challenger | Clay |
| 23.06.18 | q 1 | Carlos Gomez-Herrera | Jan Choinski | 6-3, 6-4 | | match details |  Eastbourne | Grass |
| 19.06.18 | 1st round | Luca Vanni | Jan Choinski | 6-3, 4-6, 6-2 | | match details | L'Aquila Challenger | Clay |
| 09.06.18 | q 1 | Denis Kudla | Jan Choinski | 7-64, 6-3 | | match details | Stuttgart | Grass |
| 04.06.18 | 1st round | Zdenek Kolar | Jan Choinski | 5-7, 6-2, 6-4 | | match details |  Prostejov Challenger | Clay |
| 23.05.18 | q 2 | Goncalo Oliveira | Jan Choinski | 6-4, 1-6, 6-1 | | match details |  Paris | Clay |
