| ITTF泛美洲錦標賽 | 09/10 18:30 | - | Matthew Lehmann v 阿德里安•佩雷斯 | L | 0-4 | |
| WTT Feeder Westchester | 05/12 21:30 | - | Matthew Lehmann v 拉瑞斯•西珀斯 | - | View | |
| 波蘭公開賽 | 03/12 14:00 | - | Matthew Lehmann v Jaroslaw Tomicki | L | 0-3 | |
| 波蘭公開賽 | 03/11 14:20 | - | Matthew Lehmann v Rafael Turrini | L | 1-3 | |
| Czech Republic First League | 03/08 10:58 | - | Matej Stach v Matthew Lehmann | L | 3-2 | |
| Czech Republic First League | 03/08 10:15 | - | 沃切克•克里梅克 v Matthew Lehmann | L | 3-2 | |
| Czech Republic First League | 02/23 11:23 | - | Matthew Lehmann v 托馬斯•柯達斯 | L | 2-3 | |
| Czech Republic First League | 01/25 10:47 | - | 盧卡斯•博魯夫卡 v Matthew Lehmann | W | 0-3 | |
| North American Open | 12/05 21:55 | - | Beixun Zeng v Matthew Lehmann | L | 4-0 | |
| Czech Republic First League | 11/24 09:40 | - | Matthew Lehmann v 馬雷克·奧貝斯洛 | L | 2-3 | |
| Summer Universiade | 07/09 10:45 | - | Matthew Lehmann v 彭王偉 | L | 0-4 | |
| 斯洛文尼亞公開賽 | 05/08 13:40 | - | 阿瑪拉傑•安東尼 v Matthew Lehmann | L | 3-0 |