Round: 44 Ground: Grass
| Challenger - Shenzhen | 2014/04/27 06:00 | Muller, Gilles v Lacko, Lukas | 7-6,6-3 |
| Challenger - Shenzhen | 2014/04/26 03:00 | Lu, Yen-Hsun v Muller, Gilles | 6-7,4-6 |
| Challenger - Shenzhen | 2014/04/25 04:45 | Muller, Gilles v Zhang, Ze | 6-1,7-5 |
| Challenger - Shenzhen | 2014/04/23 03:00 | Muller, Gilles v Daniel Cox | 6-3,6-4 |
| Challenger - Shenzhen | 2014/04/21 04:55 | Soeda, Go v Muller, Gilles | 3-6,5-7 |
| Challenger Leon | 2014/04/02 00:00 | Muller, Gilles v Brown, Dustin | 6-7,6-7 |
| Challenger - Quimper | 2014/02/15 13:00 | Pierre-Hugues Herbert v Muller, Gilles | 6-4,6-7,7-6 |
| Challenger - Quimper | 2014/02/14 12:00 | Muller, Gilles v Mertl, Jan | 7-6,7-6 |
| ATP Halle Qual | 2014/06/08 11:00 | Lapentti, Giovanni v Illya Marchenko | 4-6,3-6 |
| ATP Halle Qual | 2014/06/07 13:50 | Ricardas Berankis v Lapentti, Giovanni | 2-6,6-7 |
| ATP Halle Qual | 2014/06/07 10:00 | Lapentti, Giovanni v Moraing, Mats | 6-1,6-7,6-4 |
| Challenger - Vicence | 2014/05/27 13:20 | Lapentti, Giovanni v Donati, Matteo | 6-7,3-6 |
| Cali, Colombia | 2014/04/29 20:30 | Lapentti, Giovanni v Souto, David | 3-6,4-6 |
| Challenger - Morelos | 2014/02/18 21:30 | Lapentti, Giovanni v Reyes-Varela, Miguel Angel | 7-6,6-7,3-6 |
| Challenger - Morelos | 2014/02/17 16:00 | Nicolas Jarry v Lapentti, Giovanni | 4-6,3-6 |