| 2023 Layjet Open | |
|---|---|
| Date | 18–24 September |
| Edition | 1st |
| Surface | Clay |
| Location | Bad Waltersdorf, Austria |
| Champions | |
| Singles | |
 Andrea Pellegrino | |
| Doubles | |
 Constantin Frantzen / Hendrik Jebens | |
The 2023 Layjet Open was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Bad Waltersdorf, Austria between 18 and 24 September 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Roberto Carballés Baena | 60 | 1 |
| ESP | |||
| ESP | Jaume Munar | 85 | 3 |
| ESP | Albert Ramos Viñolas | 95 | 4 |
 AUT | Jurij Rodionov | 109 | 5 |
| ESP | Pedro Martínez | 118 | 6 |
 FRA | Benoît Paire | 120 | 7 |
 KAZ | Timofey Skatov | 123 | 8 |
1 Rankings are as of 11 September 2023. [1]
The following players received wildcards into the singles main draw:
Fabio Fognini Joel Schwärzler Sebastian SorgerThe following players received entry from the qualifying draw:
Ergi Kırkın Marvin Möller 
Petr Nouza Andrea Picchione Henri Squire Timo StodderThe following players received entry as lucky losers:
Maks Kaśnikowski Sandro Kopp Andrea Pellegrino def. Dennis Novak 1–6, 7–6(7–5), 6–3. Constantin Frantzen / Hendrik Jebens def. Marco Bortolotti / Francesco Passaro 6–1, 6–2.The 2017 AON Open Challenger was a professional tennis tournament played on clay courts. It was the fifteenth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Genoa, Italy between 5 and 10 September 2017.
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