| 2019 Open du Pays d'Aix | |
|---|---|
| Date | 6–12 May |
| Edition | 6th |
| Draw | 48S / 16D |
| Prize money | €137,560+H |
| Surface | Clay |
| Location | Aix-en-Provence, France |
| Champions | |
| Singles | |
 Pablo Cuevas | |
| Doubles | |
 Kevin Krawietz /  Jürgen Melzer | |
The 2019 Open du Pays d'Aix was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Aix-en-Provence, France between 6 and 12 May 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| URU | Pablo Cuevas | 67 | 1 |
 CZE | Jiří Veselý | 91 | 2 |
 RSA | Lloyd Harris | 94 | 3 |
 UZB | Denis Istomin | 106 | 4 |
 BRA | Thiago Monteiro | 111 | 5 |
| GER | Yannick Maden | 114 | 6 |
 FRA | Grégoire Barrère | 117 | 7 |
 ESP | Guillermo García López | 124 | 8 |
 CAN | Peter Polansky | 125 | 9 |
 ITA | Stefano Travaglia | 128 | 10 |
| FRA | Antoine Hoang | 145 | 11 |
| ITA | Gianluca Mager | 147 | 12 |
 USA | Marcos Giron | 154 | 13 |
| GER | Rudolf Molleker | 157 | 14 |
| ITA | |||
| ITA | Lorenzo Giustino | 161 | 16 |
The following players received wildcards into the singles main draw:
Antoine Cornut-Chauvinc Hugo Gaston Lloyd Harris Matteo Martineau Thiago Monteiro The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Jonathan Kanar Jürgen Melzer Pablo Cuevas def. Quentin Halys 7–5, 3–6, 6–2. Kevin Krawietz / Jürgen Melzer def. 
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