| Challenger Seville | 09/06 15:30 | 27 | [264] Brkic, Tomislav v Guttierrez-Ferrol, Sergio [162] | 6-3,6-7,6-2 | |
| Challenger Seville | 09/05 09:00 | 26 | [255] Lorenzo Giustino v Guttierrez-Ferrol, Sergio [162] | 7-5,3-6,3-6 | |
| Challenger Seville | 09/03 17:00 | 25 | [162] Guttierrez-Ferrol, Sergio v Martin, Andrej [157] | 6-3,6-0 | |
| Challenger Mallorca | 08/28 09:30 | 25 | [446] Simon, Tobias v Guttierrez-Ferrol, Sergio [162] | 6-3,6-2 | |
| US Open, New York, USA | 08/21 22:15 | 44 | [120] Polansky, Peter v Guttierrez-Ferrol, Sergio [164] | 6-4,6-4 | |
| Challenger Meerbusch | 08/14 11:40 | 25 | [156] Guttierrez-Ferrol, Sergio v Zizou Bergs [423] | 6-1,3-6,3-6 | |
| Challenger Padova | 07/29 19:00 | 29 | [263] Federico Gaio v Guttierrez-Ferrol, Sergio [205] | 2-6,6-3,1-6 | |
| Challenger Padova | 07/28 19:00 | 28 | [205] Guttierrez-Ferrol, Sergio v Robredo, Tommy [242] | 3-6,6-1,6-2 | |
| Challenger Padova | 07/27 17:35 | 27 | [205] Guttierrez-Ferrol, Sergio v Boluda-Purkiss, Carlos [276] | 6-2,6-4 | |
| Challenger Padova | 07/27 08:00 | 26 | Guttierrez-Ferrol, Sergio v Luca Giacomini | Walkover | |
| Challenger Padova | 07/25 08:30 | 25 | [185] Gimeno-Traver, Daniel v Guttierrez-Ferrol, Sergio [205] | 3-6,3-6 | |
| Challenger San Benedetto | 07/22 19:00 | 29 | [226] Daniel Elahi Galan v Guttierrez-Ferrol, Sergio [233] | 6-2,3-6,6-2 | |
| Challenger San Benedetto | 07/21 17:30 | 28 | [233] Guttierrez-Ferrol, Sergio v Carlos Taberner [191] | Retired | |
| Challenger San Benedetto | 07/20 17:00 | 27 | [233] Guttierrez-Ferrol, Sergio v Viola, Matteo [294] | 6-1,6-0 | |
| Challenger San Benedetto | 07/19 19:15 | 26 | [167] Quinzi, Gianluigi v Guttierrez-Ferrol, Sergio [233] | 6-1,4-6,1-6 | |
| Challenger San Benedetto | 07/17 17:50 | 25 | [233] Guttierrez-Ferrol, Sergio v Federico Gaio [259] | 6-3,3-6,6-3 | |
| ITF Spain F17 | 07/06 15:00 | 28 | [241] Guttierrez-Ferrol, Sergio v Hugo Grenier [347] | 3-6,3-6 | |
| ITF Spain F17 | 07/06 09:00 | 27 | [241] Guttierrez-Ferrol, Sergio v Altug Celikbilek [436] | 3-6,7-6,6-3 | |
| ITF Spain F17 | 07/05 09:10 | 26 | Guttierrez-Ferrol, Sergio v Cayre, Paul | 6-2,6-7,6-1 | |
| ITF Spain F17 | 07/04 14:30 | - | Guttierrez-Ferrol, Sergio v Cayre, Paul | 6-2,6-7,5-1 | |
| ITF Spain F17 | 07/03 13:50 | 25 | Guttierrez-Ferrol, Sergio v Arthur Rinderknech | 4-6,6-2,6-3 | |
| Wimbledon Qual | 06/25 13:40 | 44 | Guttierrez-Ferrol, Sergio v Glasspool, Lloyd | 5-7,5-7 | |
| Challenger Poprad Tatry | 06/21 11:40 | 27 | [295] de Greef, Arthur v Guttierrez-Ferrol, Sergio [238] | 6-2,7-5 | |
| Challenger Poprad Tatry | 06/20 10:30 | 26 | [238] Guttierrez-Ferrol, Sergio v Casper Ruud [147] | 6-4,6-1 | |
| Challenger Poprad Tatry | 06/19 14:55 | 25 | [238] Guttierrez-Ferrol, Sergio v Zekic, Miljan [280] | Retired | |
| ITF Spain F14 | 06/09 18:30 | 29 | Pedro Martinez v Guttierrez-Ferrol, Sergio | 6-3,6-7,2-6 | |
| ITF Spain F14 | 06/08 14:45 | 28 | [373] Raul Brancaccio v Guttierrez-Ferrol, Sergio [258] | 3-6,3-6 | |
| ITF Spain F14 | 06/07 14:00 | 27 | Davidovich Fokina, Alejandro v Guttierrez-Ferrol, Sergio | 5-7,2-6 | |
| ITF Spain F14 | 06/06 12:35 | 26 | [483] Javier Barranco Cosano v Guttierrez-Ferrol, Sergio [258] | 2-6,2-6 | |
| ITF Spain F14 | 06/05 13:00 | 25 | [265] Lakat, Florian v Guttierrez-Ferrol, Sergio [258] | 0-6,1-6 |