| Challenger Series TT | 02/23 12:50 | - | Florian Bluhm v Guilherme Teodoro | W | 1-3 | |
| Challenger Series TT | 02/23 12:50 | - | Daniel Rinderer v Guilherme Teodoro | - | Cancelled | |
| Challenger Series TT | 02/23 10:50 | - | Guilherme Teodoro v Dauud Cheaib | W | 3-2 | |
| Challenger Series TT | 02/23 10:50 | - | Guilherme Teodoro v Florian Bluhm | - | Cancelled | |
| Challenger Series TT | 02/23 08:50 | - | Guilherme Teodoro v Rafael Turrini | W | 3-1 | |
| WTT Feeder - Düsseldorf - Kval | 02/14 09:45 | - | Guilherme Teodoro v Kwan To Yiu | L | 0-3 | |
| Challenger Series TT | 02/13 20:50 | - | Guilherme Teodoro v Sourav Saha | - | Cancelled | |
| Challenger Series TT | 01/31 13:50 | - | Josip Huzjak v Guilherme Teodoro | L | 3-0 | |
| Challenger Series TT | 01/31 13:05 | - | Guilherme Teodoro v Albert Vilardell | L | 2-3 | |
| Challenger Series TT | 01/31 10:50 | - | Florian Bluhm v Guilherme Teodoro | L | 3-0 | |
| Challenger Series TT | 01/31 09:30 | - | Teodoro Guilherme v Samuel Amann | W | 3-0 | |
| Challenger Series TT | 01/30 19:30 | - | Nikola Grujic v Guilherme Teodoro | W | 1-3 | |
| Challenger Series TT | 01/30 16:50 | - | Josip Huzjak v Guilherme Teodoro | L | 3-1 | |
| Challenger Series TT | 01/30 14:50 | - | Albert Vilardell v Guilherme Teodoro | W | 0-3 | |
| Challenger Series TT | 01/30 10:50 | - | Damian Zech v Guilherme Teodoro | W | 0-3 | |
| Challenger Series TT | 01/30 08:10 | - | Makoto Nogami v Guilherme Teodoro | W | 1-3 | |
| ITTF Pan American Championships | 11/03 18:45 | - | Guilherme Teodoro v Livan Martinez | L | 3-4 | |
| ITTF Pan American Championships | 11/01 22:00 | - | Kanak Jha v Guilherme Teodoro | L | 3-1 | |
| Challenger Series TT | 09/20 13:30 | - | Guilherme Teodoro v Liang Qiu | W | 3-1 | |
| Challenger Series TT | 09/20 11:25 | - | Guilherme Teodoro v Alberto Lillo | W | 3-1 | |
| Challenger Series TT | 09/20 10:30 | - | Guilherme Teodoro v Alberto Lillo | W | 3-2 | |
| Challenger Series TT | 09/20 07:50 | - | Guilherme Teodoro v Sven Happek | W | 3-1 | |
| Challenger Series TT | 09/19 19:10 | - | Guilherme Teodoro v Tal Israeli | W | 3-1 | |
| Challenger Series TT | 09/19 14:30 | - | Guilherme Teodoro v Damian Zech | W | 3-0 | |
| Challenger Series TT | 09/19 12:30 | - | Guilherme Teodoro v Liang Qiu | W | 3-2 | |
| Challenger Series TT | 09/19 09:10 | - | Michael Trink v Guilherme Teodoro | W | 0-3 | |
| Challenger Series TT | 09/19 07:10 | - | Guilherme Teodoro v Marcel Neumaier | W | 3-0 | |
| Challenger Series TT | 08/30 13:30 | - | Guilherme Teodoro v Rafael Turrini | W | 3-0 | |
| Challenger Series TT | 08/30 11:25 | - | Guilherme Teodoro v Marius Henninger | W | 3-0 | |
| Challenger Ochsenhausen | 08/30 07:50 | - | Nico Longhino v Guilherme Teodoro | W | 1-3 |