| Singles | |
|---|---|
| 2019 Tilia Slovenia Open | |
| Champion |  Aljaž Bedene |
| Runner-up |  Viktor Durasovic |
| Score | 7–5, 6–3 |
Constant Lestienne was the defending champion [1] but lost in the semifinals to Viktor Durasovic.
Aljaž Bedene won the title after defeating Durasovic 7–5, 6–3 in the final.
All seeds receive a bye into the second round.
Aljaž Bedene (champion)
Lorenzo Giustino (withdrew) Blaž Rola (semifinals)
Sergiy Stakhovsky (third round)
Filip Horanský (third round)
Constant Lestienne (semifinals)
Alexey Vatutin (second round) Roman Safiullin (quarterfinals) Matteo Viola (third round) Evgeny Karlovskiy (second round)
Danilo Petrović (second round)
Lucas Miedler (second round)
Zdeněk Kolář (quarterfinals) Kenny de Schepper (second round, retired) Luca Vanni (second round)
Sasikumar Mukund (third round)| Quarterfinals | Semifinals | Final | ||||||||||||||||||
| 1 | Aljaž Bedene | 6 | 4 | 77 | ||||||||||||||||
| Lukáš Klein | 3 | 6 | 64 | |||||||||||||||||
| 1 | Aljaž Bedene | 6 | 6 | |||||||||||||||||
| 3 | Blaž Rola | 3 | 2 | |||||||||||||||||
| 3 | Blaž Rola | 6 | 6 | |||||||||||||||||
| 8 | Roman Safiullin | 2 | 1 | |||||||||||||||||
| 1 | Aljaž Bedene | 7 | 6 | |||||||||||||||||
| Viktor Durasovic | 5 | 3 | ||||||||||||||||||
| Viktor Durasovic | 6 | 78 | ||||||||||||||||||
| 13 | Zdeněk Kolář | 4 | 66 | |||||||||||||||||
| Viktor Durasovic | 3 | 6 | 6 | |||||||||||||||||
| 6 | Constant Lestienne | 6 | 1 | 1 | ||||||||||||||||
| 6 | Constant Lestienne | 6 | 3 | |||||||||||||||||
| Alt | Artem Dubrivnyy | 4 | 0r | |||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 1 | A Bedene | 5 | 6 | 6 | |||||||||||||||||||||||
 H Nys | 4 | 2 | I Marchenko | 7 | 4 | 2 | |||||||||||||||||||||
| I Marchenko | 6 | 6 | 1 | A Bedene | 6 | 6 | |||||||||||||||||||||
 E King | 7 | 1 | 16 | S Mukund | 2 | 2 | |||||||||||||||||||||
| L Catarina | 5 | 0r | E King | 6 | 5 | 3 | |||||||||||||||||||||
| 16 | S Mukund | 4 | 7 | 6 | |||||||||||||||||||||||
| 1 | A Bedene | 6 | 4 | 77 | |||||||||||||||||||||||
| L Klein | 3 | 6 | 64 | ||||||||||||||||||||||||
| 11 | D Petrović | 3 | 4 | ||||||||||||||||||||||||
| A Vavassori | 4 | 1 | L Kleinn | 6 | 6 | ||||||||||||||||||||||
| L Klein | 6 | 6 | L Klein | 1 | 6 | 6 | |||||||||||||||||||||
| ITF |  TM Etcheverry | 60 | 6 | 6 | 5 | F Horanský | 6 | 4 | 3 | ||||||||||||||||||
| J Rodionov | 77 | 2 | 2 | ITF | TM Etcheverry | 63 | 1 | ||||||||||||||||||||
| 5 | F Horanský | 77 | 6 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 3 | B Rola | 7 | 6 | ||||||||||||||||||||||||
| T Gabashvili | 4 | 6 | 6 | T Gabashvili | 5 | 2 | |||||||||||||||||||||
 E Leshem | 6 | 1 | 0 | 3 | B Rola | 6 | 6 | ||||||||||||||||||||
 A Šetkić | 6 | 6 | A Šetkić | 1 | 4 | ||||||||||||||||||||||
| WC | Sven Lah | 4 | 3 | A Šetkić | 1 | ||||||||||||||||||||||
| 14 | K de Schepper | 4r | |||||||||||||||||||||||||
| 3 | B Rola | 6 | 6 | ||||||||||||||||||||||||
| 8 | R Safiullin | 2 | 1 | ||||||||||||||||||||||||
| 10 | E Karlovskiy | 1 | 2 | ||||||||||||||||||||||||
 I Sijsling | 2 | 3 |  C Gómez-Herrera | 6 | 6 | ||||||||||||||||||||||
| C Gómez-Herrera | 6 | 6 | C Gómez-Herrera | 2 | 4 | ||||||||||||||||||||||
| WC | N Razboršek | 4 | 6 | 4 | 8 | R Safiullin | 6 | 6 | |||||||||||||||||||
| Antoine Cornut-Chauvinc | 6 | 3 | 6 | A Cornut-Chauvinc | 77 | 4 | 2 | ||||||||||||||||||||
| 8 | R Safiullin | 64 | 6 | 6 | |||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 7 | A Vatutin | 62 | 3 | ||||||||||||||||||||||||
| ITF | M Hamou | 4 | 1 |  A Çelikbilek | 77 | 6 | |||||||||||||||||||||
| A Çelikbilek | 6 | 6 | A Çelikbilek | 3 | 2 | ||||||||||||||||||||||
| Q |  N Barrientos | 2 | 6 | 1 | V Durasovic | 6 | 6 | ||||||||||||||||||||
| V Durasovic | 6 | 3 | 6 | V Durasovic | 7 | 6 | |||||||||||||||||||||
| 12 | L Miedler | 5 | 3 | ||||||||||||||||||||||||
| V Durasovic | 6 | 78 | |||||||||||||||||||||||||
| 13 | Z Kolář | 4 | 66 | ||||||||||||||||||||||||
| 13 | Z Kolář | 6 | 6 | ||||||||||||||||||||||||
| ITF | Quentin Robert | 3 | 5 |  T Simon | 2 | 4 | |||||||||||||||||||||
| Tobias Simon | 6 | 7 | 13 | Z Kolář | 6 | 3 | 6 | ||||||||||||||||||||
| ITF | Tom Jomby | 3 | 0 | 4 | S Stakhovsky | 2 | 6 | 3 | |||||||||||||||||||
| A Bega | 6 | 6 | A Bega | 1 | 5 | ||||||||||||||||||||||
| 4 | S Stakhovsky | 6 | 7 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 6 | C Lestienne | 6 | 6 | ||||||||||||||||||||||||
| ITF | Matías Zukas | 6 | 1 | 65 | J Ocleppo | 1 | 2 | ||||||||||||||||||||
| J Ocleppo | 2 | 6 | 77 | 6 | C Lestienne | 6 | 6 | ||||||||||||||||||||
| WC | T Kočevar-Dešman | 6 | 66 | 3 | 9 | M Viola | 0 | 1 | |||||||||||||||||||
| M Zekić | 4 | 78 | 6 | M Zekić | 0 | 3 | |||||||||||||||||||||
| 9 | M Viola | 6 | 6 | ||||||||||||||||||||||||
| 6 | C Lestienne | 6 | 3 | ||||||||||||||||||||||||
| Alt | A Dubrivnyy | 4 | 0r | ||||||||||||||||||||||||
| 15 | L Vanni | 66 | 6 | 4 | |||||||||||||||||||||||
| Alt | A Dubrivnyy | 6 | 6 | Alt | A Dubrivnyy | 78 | 4 | 6 | |||||||||||||||||||
| WC | M Urbanija | 3 | 4 | Alt | A Dubrivnyy | 77 | 6 | ||||||||||||||||||||
| WC |  Zvonimir Orešković | 1 | 0 | Q | T Lipovšek Puches | 62 | 3 | ||||||||||||||||||||
| Q | T Lipovšek Puches | 6 | 6 | Q | T Lipovšek Puches | 6 | 6 | ||||||||||||||||||||
| Alt |  A Golubev | 4 | 4 | ||||||||||||||||||||||||
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