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Johannes Haerteis vs. Albano Olivetti - head to head matches
| 28.10.18 | q 2 | Albano Olivetti | Johannes Haerteis | 6-3, 6-4 | match details |  Eckental Challenger | Carpet |
Johannes Haerteis form & Albano Olivetti form
Johannes Haerteis - last matches
 M15 Forbach - Carpet | ||||
| 27.09.23 1st round | vs. Mikail Alimli | 1-2, - Johannes Haerteis - retired |  | match details |
 M25 Madrid - Hard | ||||
| 14.09.23 2nd round | vs. Daniel Merida Aguilar | 3-6, 3-6 | | match details |
| 13.09.23 1st round | vs. Jody Maginley | 6-4, 7-5 |  | match details |
| Cassis Challenger - Hard | ||||
| 03.09.23 q 1 | vs. Charles Broom | 3-6, 6-72 | | match details |
| M15 Allershausen - Clay | ||||
| 31.08.23 2nd round | vs. Nicola Kuhn | 5-7, 3-6 | | match details |
| 30.08.23 1st round | vs. Luca Hesselmann | 2-6, 6-1, 6-4 | | match details |
 M25 Ystad - Clay | ||||
| 16.08.23 1st round | vs. Valentin Vacherot | 2-6, 7-63, 4-6 | | match details |
| M15 Frankfurt - Clay | ||||
| 11.08.23 1/4 | vs. Lucas Gerch | 5-7, 0-6 | | match details |
| 10.08.23 2nd round | vs. Kai Lemstra | 5-7, 6-4, 6-2 | | match details |
| 08.08.23 1st round | vs. Mats Rosenkranz | 7-62, 4-1, Mats Rosenkranz - retired | | match details |
 Porto Challenger - Hard | ||||
| 01.08.23 1st round | vs. Emilio Nava | 6-73, 6-72 | | match details |
| 31.07.23 qual. | vs. Hugo Maia | 7-5, 7-5 | | match details |
| 30.07.23 q 1 | vs. Victor Lilov | 6-4, 2-6, 6-2 | | match details |
| M25 Porto - Hard | ||||
| 27.07.23 2nd round | vs. Joao Domingues | 6-2, 6-72, 2-6 | | match details |
| 26.07.23 1st round | vs. Tomas Pinho | 6-4, 7-66 | | match details |
 M15 Cluj - Clay | ||||
| 22.06.23 1/4 | vs. Gabi Adrian Boitan | 2-6, 3-6 | | match details |
| 21.06.23 2nd round | vs. Dan Alexandru Tomescu | 6-4, 6-2 | | match details |
| 20.06.23 1st round | vs. Mihai Alexandru Coman | 6-4, 7-66 | | match details |
 M15 Vaasa - Hard | ||||
| 07.06.23 1st round | vs. Iiro Vasa | 4-6, 1-6 | | match details |
 Prague 2 - Clay | ||||
| 07.05.23 q 1 | vs. Vitaliy Sachko | 7-5, 2-6, 1-6 | | match details |
| M25 Sanxenxo - Hard | ||||
| 28.04.23 1/4 | vs. Robert Strombachs | 6-75, 4-6 | | match details |
| 27.04.23 2nd round | vs. Tao Mu | 6-4, 6-1 | | match details |
| 26.04.23 1st round | vs. Grigory Kuklin | 6-1, 6-0 | | match details |
 M15 Antalya - Clay | ||||
| 21.04.23 1/4 | vs. Dragos Nicolae Madaras | 2-6, 2-6 | | match details |
| 20.04.23 2nd round | vs. Dan Alexandru Tomescu | 6-1, 4-6, 6-2 | | match details |
| 18.04.23 1st round | vs. Arthur Reymond | 6-4, 6-2 | | match details |
| M15 Antalya - Clay | ||||
| 12.04.23 1st round | vs. Daniele Capecchi | 6-4, 3-6, 2-6 | | match details |
 M25 Trento - Carpet | ||||
| 30.03.23 2nd round | vs. Giovanni Oradini | 4-6, 0-6 | | match details |
| 29.03.23 1st round | vs. Aleksandr Bulitski | 6-2, 6-2 | | match details |
 Biel Challenger - I. hard | ||||
| 19.03.23 q 1 | vs. Francesco Forti | 6-4, 4-6, 5-7 | | match details |
Albano Olivetti - last matches
| M25 Trimbach - Carpet | ||||
| 14.03.24 2nd round | vs. Daniel Masur | 6-74, 3-6 | | match details |
| 13.03.24 1st round | vs. Nikola Djosic | 7-62, 7-65 | | match details |
| 12.03.24 qual. | vs. Robin Bulant | 4-6, 6-3, 10-1 | | match details |
| 11.03.24 q 1 | vs. Nicolas Ulrich | 7-5, 6-1 | | match details |
| Lille Challenger - I. hard | ||||
| 26.03.23 q 1 | vs. Alibek Kachmazov | 4-6, 2-6 | | match details |
| St. Brieuc - I. hard | ||||
| 20.03.23 qual. | vs. Constantin Bittoun Kouzmine | 7-68, 4-6, 6-75 | | match details |
| 19.03.23 q 1 | vs. Mikalai Haliak | 2-6, 7-62, 7-67 | | match details |
| Montpellier - I. hard | ||||
| 05.02.23 q 1 | vs. Ivan Gakhov | 4-6, 6-3, 4-6 | | match details |
| Rennes Challenger - I. hard | ||||
| 11.09.22 q 1 | vs. Karl Friberg | 4-6, 4-6 | | match details |
| Cassis Challenger - Hard | ||||
| 06.09.22 1st round | vs. Gabriel Debru | 4-6, 3-6 | | match details |
| 05.09.22 qual. | vs. Marek Gengel | 6-1, 6-73, 7-63 | | match details |
| 04.09.22 q 1 | vs. Alexey Vatutin | 6-3, 6-2 | | match details |
| Mallorca Challenger - Hard | ||||
| 31.08.22 1st round | vs. Leandro Riedi | 6-3, 4-6, 4-6 | | match details |
| 30.08.22 qual. | vs. Terence Atmane | 7-65, 7-68 | | match details |
| 29.08.22 q 1 | vs. Thiago Seyboth Wild | 6-3, 6-2 | | match details |
| M25 Trimbach - Carpet | ||||
| 17.03.22 2nd round | vs. Leandro Riedi | 3-6, 3-6 | | match details |
| 16.03.22 1st round | vs. Yannik Steinegger | 6-3, 7-64 | | match details |
| 15.03.22 qual. | vs. Gabriele Moghini | 7-62, 6-4 | | match details |
| 14.03.22 q 1 | vs. Leo Galliano | 6-3, 6-2 | | match details |
| Turin Challenger - I. hard | ||||
| 28.02.22 qual. | vs. Arthur Fils | 6-4, 6-75, 6-74 | | match details |
| 27.02.22 q 1 | vs. Tristan Lamasine | 6-73, 7-5, 7-61 | | match details |
 All Lower - Clay | ||||
| 07.08.20 1st round | vs. Robin Haase | 6-74, 6-75 | | match details |
| 06.08.20 1st round | vs. Mats Rosenkranz | 7-62, 7-5 | | match details |
| 05.08.20 1st round | vs. Robert Strombachs | 3-6, 6-4, 6-4 | | match details |
| 04.08.20 1st round | vs. Mischa Zverev | 4-6, 3-6 | | match details |
| 03.08.20 1st round | vs. Peter Mimnagh-Flemming | 6-1, 6-3 | | match details |
| 01.08.20 1st round | vs. Andre Begemann | 5-7, 4-6 | | match details |
| 31.07.20 1st round | vs. Buvaysar Gadamauri | 6-3, 6-4 | | match details |
| 30.07.20 1st round | vs. Yannick Maden | 4-6, 6-3, 3-6 | | match details |
| 29.07.20 1st round | vs. Oscar Moraing | 6-1, 6-2 | | match details |