| Challenger Ochsenhausen | 03/01 07:30 | - | Simon Berglund v Guilherme Teodoro | W | 0-3 | |
| Challenger Ochsenhausen | 02/28 19:30 | - | Guilherme Teodoro v Evgueni Chtchetinine | L | 1-3 | |
| Challenger Ochsenhausen | 02/28 16:10 | - | Guilherme Teodoro v Tal Israeli | W | 3-1 | |
| Challenger Ochsenhausen | 02/28 14:10 | - | Kenan Hrnic v Guilherme Teodoro | L | 3-2 | |
| Challenger Ochsenhausen | 02/28 11:30 | - | Sushmit Sriram v Guilherme Teodoro | L | 3-0 | |
| Challenger Ochsenhausen | 02/28 08:50 | - | Dimitrije Levajac v Guilherme Teodoro | L | 3-1 | |
| Challenger Ochsenhausen | 02/15 14:30 | - | Manush Utpalbhai Shah v Guilherme Teodoro | L | 3-1 | |
| Challenger Ochsenhausen | 02/15 13:05 | - | Guilherme Teodoro v Florian Bluhm | W | 3-2 | |
| Challenger Ochsenhausen | 02/15 11:30 | - | Guilherme Teodoro v Michael Trink | W | 3-1 | |
| Challenger Ochsenhausen | 02/15 08:50 | - | Guilherme Teodoro v Manush Utpalbhai Shah | L | 1-3 | |
| Challenger Ochsenhausen | 02/14 20:10 | - | Guilherme Teodoro v Patrik Juhasz | L | 2-3 | |
| Challenger Ochsenhausen | 02/14 15:30 | - | Guilherme Teodoro v Takuto Izumo | W | 3-0 | |
| Challenger Ochsenhausen | 02/14 13:30 | - | Guilherme Teodoro v Florian Bluhm | W | 3-2 | |
| Challenger Ochsenhausen | 02/14 10:10 | - | Liang Qiu v Guilherme Teodoro | L | 3-1 | |
| Challenger Ochsenhausen | 02/14 08:10 | - | Guilherme Teodoro v Nico Longhino | W | 3-1 | |
| Challenger Ochsenhausen | 01/25 14:30 | - | Dauud Cheaib v Guilherme Teodoro | W | 0-3 | |
| Challenger Ochsenhausen | 01/25 13:05 | - | Guilherme Teodoro v Elia Schmid | W | 3-2 | |
| Challenger Series TT | 01/25 10:50 | - | Damian Zech v Guilherme Teodoro | W | 2-3 | |
| Challenger Series TT | 01/25 09:30 | - | Guilherme Teodoro v Nico Longhino | W | 3-0 | |
| Challenger Ochsenhausen | 01/24 19:30 | - | Alexander Valuch v Guilherme Teodoro | W | 0-3 | |
| Challenger Series TT | 01/24 16:50 | - | Amirreza Abbasi v Guilherme Teodoro | W | 1-3 | |
| Challenger Series TT | 01/24 14:50 | - | Elia Schmid v Guilherme Teodoro | L | 3-1 | |
| Challenger Series TT | 01/24 10:50 | - | Dauud Cheaib v Guilherme Teodoro | W | 1-3 | |
| Challenger Series TT | 01/24 08:10 | - | Florian Bluhm v Guilherme Teodoro | L | 3-0 | |
| WTT Feeder Dusseldorf | 01/17 10:29 | - | Joan Masip v Guilherme Teodoro | L | 3-1 | |
| Challenger Ochsenhausen | 01/14 14:00 | - | Guilherme Teodoro v Florian Bluhm | W | 3-1 | |
| Challenger Ochsenhausen | 01/14 12:30 | - | Guilherme Teodoro v Sven Happek | W | 3-0 | |
| Challenger Ochsenhausen | 01/14 10:50 | - | Sven Happek v Guilherme Teodoro | W | 0-3 | |
| Challenger Ochsenhausen | 01/14 09:30 | - | Guilherme Teodoro v Michael Trink | W | 3-1 | |
| Challenger Ochsenhausen | 01/13 19:30 | - | Marcos Madrid v Guilherme Teodoro | L | 3-0 |