Stadium: Court 5 Round: 26 Ground: Clay
| ITF Chile F3 MD | 2018/11/26 20:50 | Olivieri G A / Tenti F v Monzon I / Otegui J B | 6-7,2-6 |
| ITF Chile F2 MD | 2018/11/20 21:50 | Paz J P / Rodriguez Taverna S F v Monzon I / Otegui J B | 7-6,6-7,10-7 |
| ITF Argentina F7 MD | 2018/11/01 19:35 | Monzon I / Otegui J B v Cerundolo J M / Santalla E A | 6-7,6-2,7-10 |
| ITF Argentina F7 MD | 2018/10/30 00:35 | Monzon I / Otegui J B v Riquelme Coppari/R Taverna | 6-4,6-1 |
| ITF Belgium F10 MD | 2018/08/28 16:00 | Monzon I / Otegui J B v Gamble L J / Sinclair C | 5-7,3-6 |
| ITF Belgium F10 MD | 2018/08/27 15:30 | Monzon I / Otegui J B v Friberg/S Izquierdo | 6-2,7-6 |
| ITF Belgium F9 MD | 2018/08/23 14:30 | Gamble L J / Sinclair C v Monzon I / Otegui J B | 6-3,6-2 |
| ITF Morocco F4 MD | 2018/08/09 16:20 | Egea F E / Moreno F v Monzon I / Otegui J B | 6-1,1-6,11-9 |