Round: 25 Ground: Clay
| ITF Colombia F4 | 2014/08/28 17:30 | Romboli, Fernando v Lapentti, Giovanni | 2-6,4-6 |
| ITF Colombia F4 | 2014/08/27 21:10 | Mantilla, Felipe v Lapentti, Giovanni | 4-6,3-6 |
| Challenger Cortina | 2014/07/31 09:45 | Bachinger, Matthias v Lapentti, Giovanni | 6-1,1-6,7-5 |
| Challenger Cortina | 2014/07/29 08:00 | Hossam, Karim v Lapentti, Giovanni | 2-6,1-6 |
| Challenger Tampere | 2014/07/25 12:30 | Lapentti, Giovanni v Laurent Lokoli | 6-4,6-0 |
| Challenger Tampere | 2014/07/23 10:00 | Damir Dzumhur v Lapentti, Giovanni | 4-6,3-6 |
| Challenger Tampere | 2014/07/21 14:00 | Gigounon, Germain v Lapentti, Giovanni | 1-6,3-6 |
| Poznan, Poland | 2014/07/15 14:15 | Lapentti, Giovanni v Smirnov, Artem | 1-6,3-6 |
| ITF Colombia F6 | 2014/09/19 16:35 | Juan Pablo Varillas v Barrientos, Nicolas | 6-2,3-6,4-6 |
| ITF Colombia F6 | 2014/09/18 16:00 | Bernardi, Pedro v Barrientos, Nicolas | 4-6,4-6 |
| ITF Colombia F6 | 2014/09/16 19:00 | Perez Cortez, Alexander v Barrientos, Nicolas | 2-6,1-6 |
| ITF Colombia F5 | 2014/09/12 15:00 | de Paula, Fabiano v Barrientos, Nicolas | 2-6,6-4,6-3 |
| ITF Colombia F3 | 2014/08/20 16:55 | Barrientos, Nicolas v Benitez Chavarriaga, Juan Manuel | 6-7,4-6 |
| ITF Colombia F3 | 2014/08/18 15:55 | Barrientos, Nicolas v Malla, Bastian | 6-3,6-3 |
| ATP Stuttgart Qual | 2014/07/05 12:35 | Kern, Robin v Barrientos, Nicolas | 7-6,7-6 |
| ITF Mexico F4 | 2014/05/14 22:50 | Struvay, Eduardo v Barrientos, Nicolas | 6-4,6-4 |