| ATP - München | 05/07 14:00 | 29 | [158] Guido Pella v Alexander Zverev [20] | 4-6,3-6 | |
| ATP - München | 05/06 13:30 | 28 | [78] Hyeon Chung v Guido Pella [158] | 6-4,5-7,4-6 | |
| ATP - München | 05/05 14:05 | 27 | [158] Guido Pella v Horacio Zeballos [63] | 6-3,6-7,7-6 | |
| ATP - München | 05/04 11:00 | 26 | [29] Fabio Fognini v Guido Pella [158] | 3-6,2-6 | |
| ATP - München | 05/02 13:35 | 25 | [341] Cedrik-Marcel Stebe v Guido Pella [158] | 0-6,2-6 | |
| ATP Munich Qual | 04/30 09:00 | - | [265] Yannick Mertens v Guido Pella [158] | 3-6,4-6 | |
| ATP Munich Qual | 04/29 09:00 | - | [226] Jonathan Eysseric v Guido Pella [158] | 5-7,2-6 | |
| ATP Barcelona Qual | 04/23 13:55 | 46 | [97] Hyeon Chung v Guido Pella [148] | 6-2,6-4 | |
| ATP Barcelona Qual | 04/22 13:25 | 45 | Marco Trungelliti v Guido Pella | 3-6,3-6 | |
| ATP - Miami | 03/26 16:45 | 25 | [55] Nicolas Mahut v Guido Pella [158] | 6-4,6-3 | |
| ATP - Miami | 03/25 00:15 | 24 | [158] Guido Pella v Grigor Dimitrov [13] | 6-3,7-6 | |
| ATP - Miami | 03/23 01:05 | 23 | [158] Guido Pella v Tim Smyczek [166] | 3-6,6-4,7-6 | |
| ATP - Indian Wells | 03/12 19:45 | 24 | [6] Rafael Nadal v Guido Pella [145] | 6-3,6-2 | |
| ATP - Indian Wells | 03/11 02:15 | 23 | [89] Guillermo Garcia-Lopez v Guido Pella [145] | 6-4,5-7,2-6 | |
| ATP Sao Paulo | 03/03 16:55 | 27 | Guido Pella v Albert Ramos-Vinolas | 4-6,6-3,4-6 | |
| ATP Sao Paulo | 03/01 21:35 | 26 | [67] Carlos Berlocq v Guido Pella [166] | 5-7,3-6 | |
| ATP Sao Paulo | 02/27 17:45 | 25 | Guido Pella v Guilherme Clezar | 6-2,6-3 | |
| ATP - Rio De Janeiro | 02/21 22:35 | 25 | Guido Pella v Victor Estrella Burgos | 2-6,5-7 | |
| ATP - Rio De Janeiro | 02/21 21:45 | - | Guido Pella v Gerald Melzer | Cancelled | |
| ATP - Buenos Aires | 02/14 20:40 | 25 | Albert Ramos-Vinolas v Guido Pella | 6-7,6-4,7-6 | |
| Davis Cup | 02/06 13:55 | 26 | [80] Guido Pella v Fabio Fognini [45] | 6-2,6-4,3-6,4-6,2-6 | |
| Davis Cup | 02/03 14:00 | 26 | [84] Guido Pella v Paolo Lorenzi [43] | 3-6,3-6,3-6 | |
| Australian Open 2017 | 01/17 04:40 | 23 | [14] Roberto Bautista-Agut v Guido Pella [81] | 6-3,6-1,6-1 | |
| ATP - Paris | 10/31 10:00 | 24 | [33] Steve Johnson v Guido Pella [57] | 6-4,7-5 | |
| ATP - Basel | 10/27 19:40 | 26 | [72] Mischa Zverev v Guido Pella [59] | 6-4,6-2 | |
| ATP - Basel | 10/26 13:00 | 25 | [59] Guido Pella v Richard Gasquet [16] | Retired | |
| ATP - Moskva | 10/19 11:40 | 25 | [45] Andrey Kuznetsov v Guido Pella [56] | 6-3,5-7,6-2 | |
| ATP - Shanghai | 10/11 07:35 | 24 | [55] Guido Pella v Jack Sock [25] | 6-7,5-7 | |
| ATP - Beijing | 10/05 04:30 | 25 | [57] Guido Pella v Malek Jaziri [50] | 4-6,4-6 | |
| Davis Cup | 09/18 12:00 | - | Andy Murray v Guido Pella | 6-3,6-2,6-3 |