| Type: | ATP Challenger |
| Bad Waltersdorf Trophy | |
| Current: | 2024 Bad Waltersdorf Trophy |
| Event Name: | Bad Waltersdorf Trophy |
| Location: | Bad Waltersdorf, Austria |
| Category: | ATP Challenger Tour |
| Surface: | Clay |
The Bad Waltersdorf Trophy, formerly known as the Layjet Open, is a professional tennis tournament played on clay courts. It is currently part of the ATP Challenger Tour. It was first held in Bad Waltersdorf, Austria in 2023.[1]
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Andrea Pellegrino | 1–6, 7–6(7–5), 6–3 | |||
 Jaume Munar | 6–2, 6–1 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Constantin Frantzen Hendrik Jebens | 6–1, 6–2 | |||
 Petr Nouza Patrik Rikl | 6–4, 4–6, [10–5] |