title: 2019 Bangkok Challenger – Singles
text: # 2019 Bangkok Challenger – Singles
  
  Marcel Granollers was the defending champion but chose not to defend his title.
  
  Henri Laaksonen won the title after defeating Dudi Sela 6–2, 6–4 in the final.
  
  ## Seeds
  
  All seeds receive a bye into the second round.
  
  * Prajnesh Gunneswaran (second round)
  * Tatsuma Ito (semifinals, retired)
  * Henri Laaksonen (champion)
  * Corentin Moutet (second round)
  * Yūichi Sugita (third round)
  * Marc Polmans (second round)
  * Hiroki Moriya (second round)
  * Viktor Troicki (third round)
  * Aleksandr Nedovyesov (second round)
  * Tobias Kamke (quarterfinals)
  * Zhang Ze (second round)
  * Go Soeda (quarterfinals)
  * Gianluca Mager (third round, retired)
  * Dudi Sela (final)
  * Alejandro Davidovich Fokina (third round)
  * Thiemo de Bakker (third round)
  
  ## Draw
  
  ### Key
  
  * Q = Qualifier
  * WC = Wild card
  * LL = Lucky loser
  * Alt = Alternate
  * SE = Special exempt
  * PR = Protected ranking
  * ITF = ITF entry
  * JE = Junior exempt
  * w/o = Walkover
  * r = Retired
  * d = Defaulted
  * SR = Special ranking
  
  ### Finals
  
  | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | JC Aragone | $6^3$ | 5 | | | | | | | | | | |
  | | James Duckworth | $7^7$ | 7 | | | | | | | | | | |
  | | James Duckworth | $7^7$ | 7 | | | James Duckworth | $6^5$ | 7 | 4 | | | | |
  | | | | | | 3 | Henri Laaksonen | $7^7$ | 5 | 6 | | | | |
  | 3 | Henri Laaksonen | $7^7$ | 4 | 6 | 3 | Henri Laaksonen | $7^7$ | 5 | 6 | | | | |
  | 12 | Go Soeda | $6^4$ | 6 | 3 | | | | | | | | | |
  | 12 | Go Soeda | $6^4$ | 6 | 3 | | | | | | 3 | Henri Laaksonen | 6 | 6 |
  | | | | | | | | | | | 14 | Dudi Sela | 2 | 4 |
  | 10 | Tobias Kamke | 6 | 4 | 2 | | | | | | | | | | 14 | Dudi Sela | 2 | 4 |
  | 14 | Dudi Sela | 1 | 6 | 6 | | | | | | | | | |
  | 14 | Dudi Sela | 1 | 6 | 6 | 14 | Dudi Sela | 4 | | | | | | |
  | | | | | | 2 | Tatsuma Ito | $2^r$ | | | | | | |
  | | Kwon Soon-woo | 3 | 6 | 1 | 2 | Tatsuma Ito | $2^r$ | | | | | | |
  | 2 | Tatsuma Ito | 6 | 4 | 6 | | | | | | | | | |
  
  ### Top half
  
  **Section 1**
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | | 1 | P Gunneswaran | 3 | 1 | | | | | | | | | |
  | | JC Aragone | 6 | 6 | | | JC Aragone | 6 | 6 | | | | | | | | | |
  | | G Elias | 4 | 2 | | | | | | | | JC Aragone | $7^9$ | $6^5$ | 2 | | | |
  | | G Oliveira | 4 | 4 | | | | | | | 13 | G Mager | $6^7$ | $7^7$ | $0^r$ | | | |
  | | E López Pérez | 6 | 6 | | | E López Pérez | 5 | 3 | | | | | | | | | |
  | | | | | | 13 | G Mager | 7 | 6 | | | | | | | | | |
  | | | | | | | | | | | | | | | | JC Aragone | $6^3$ | 5 |
  | | | | | | | | | | | | | | | | J Duckworth | $7^7$ | 7 |
  | | | | | | 11 | Ze Zhang | 5 | 3 | | | | | | | | | |
  | | J Duckworth | 6 | 7 | | | J Duckworth | 7 | 6 | | | | | | | | | |
  | ITF | I Nedelko | 3 | 5 | | | | | | | | J Duckworth | 4 | 6 | 6 | | | |
  | | T-h Yang | 2 | 6 | 4 | | | | | | WC | J Tipsarević | 6 | 3 | 2 | | | |
  | WC | J Tipsarević | 6 | 4 | 6 | WC | J Tipsarević | 6 | 3 | 6 | | | | | | | | |
  | | | | | | 6 | M Polmans | 2 | 6 | 3 | | | | | | | | |
  
  **Section 2**
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | | 3 | H Laaksonen | 6 | 6 | | | | | | | | | | |
  | | S Robert | 5 | 6 | 6 | | S Robert | 3 | 1 | | | | | | | | | | |
  | WC | P Kovapitukted | 7 | 3 | 4 | | | | | | 3 | H Laaksonen | 6 | 6 | | | | | |
  | | Z Li | 6 | $7^9$ | | | | | | | 16 | T de Bakker | 4 | 3 | | | | | |
  | | S Myneni | 4 | $6^7$ | | | Z Li | 4 | 6 | 4 | | | | | | | | | |
  | | | | | | 16 | T de Bakker | 6 | 4 | 6 | | | | | | | | | |
  | | | | | | | | | | | | | | | 3 | H Laaksonen | $7^7$ | 4 | 6 |
  | | | | | | | | | | | | | | | 12 | G Soeda | $6^4$ | 6 | 3 |
  | | | | | | 12 | G Soeda | 6 | 6 | | | | | | | | | | |
  | | B Mousley | 2 | 6 | 2 | WC | P Wattanakul | 3 | 3 | | | | | | | | | | |
  | WC | Pol Wattanakul | 6 | 3 | 6 | | | | | | 12 | G Soeda | 6 | 6 | | | | | |
  | WC | W Trongcharoenchaikul | 3 | 3 | | | | | | | 8 | V Troicki | 0 | 4 | | | | | |
  | | D-h Lee | 6 | 6 | | | D-h Lee | 1 | 2 | | | | | | | | | | |
  | | | | | | 8 | V Troicki | 6 | 6 | | | | | | | | | | |
  
  ### Bottom half
  
  **Section 3**
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | | 5 | Y Sugita | 6 | 6 | | | | | | | | | | | |
  | Q | E Tiurnev | 3 | 1 | | ITF | D Kuzmanov | 4 | 4 | | | | | | | | | | | |
  | ITF | D Kuzmanov | 6 | 6 | | | | | | | 5 | Y Sugita | 6 | 0 | 4 | | | | | |
  | Alt | D Yevseyev | 6 | 6 | | | | | | | 10 | T Kamke | 3 | 6 | 6 | | | | | |
  | | C Hemery | 2 | 2 | | Alt | D Yevseyev | 5 | 1 | | | | | | | | | | | |
  | | | | | | 10 | T Kamke | 7 | 6 | | | | | | | | | | | |
  | | | | | | | | | | | | | | | | 10 | T Kamke | 6 | 4 | 2 |
  | | | | | | | | | | | | | | | | 14 | D Sela | 1 | 6 | 6 |
  | | | | | | 14 | D Sela | $6^5$ | 6 | 6 | | | | | | | | | | |
  | | D Wu | $7^7$ | 2 | 2 | | L Grigelis | $7^7$ | 0 | 2 | | | | | | | | | | |
  | | L Grigelis | $6^3$ | 6 | 6 | | | | | | 14 | D Sela | 6 | 6 | | | | | | |
  | | K King | 4 | $7^7$ | 3 | | | | | | | M Purcell | 2 | 2 | | | | | | |
  | | M Purcell | 6 | $6^3$ | 6 | | M Purcell | 1 | 6 | 6 | | | | | | | | | | |
  | | | | | | 4 | C Moutet | 6 | 3 | 3 | | | | | | | | | | |
  
  **Section 4**
  
  | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | 7 | H Moriya | 1 | 5 | | | | | | | | | | | |
  | | S-w Kwon | 6 | 6 | | S-w Kwon | 6 | 7 | | | | | | | | | | | |
  | | S Mukund | 1 | 1 | | | | | | | S-w Kwon | 6 | 6 | | | | | | |
  | ITF | O Roca Batalla | $7^7$ | 7 | | | | | | ITF | O Roca Batalla | 1 | 1 | | | | | | |
  | | E Couacaud | $6^5$ | 5 | ITF | O Roca Batalla | 6 | 3 | $7^9$ | | | | | | | | | | |
  | | | | | 9 | A Nedovyesov | 2 | 6 | $6^7$ | | | | | | | | | | |
  | | | | | | | | | | | | | | | | S-w Kwon | 3 | 6 | 1 |
  | | | | | | | | | | | | | | | 2 | T Ito | 6 | 4 | 6 |
  | | | | | 15 | A Davidovich Fokina | 6 | 7 | | | | | | | | | | | |
  | | J Hernández-Fernández | 6 | 6 | | J Hernández-Fernández | 4 | 5 | | | | | | | | | | | |
  | Q | I Gakhov | 4 | 1 | | | | | | 15 | A Davidovich Fokina | 6 | 3 | 4 | | | | | |
  | WC | Natthasith Kunsuwan | 2 | 4 | | | | | | 2 | T Ito | 1 | 6 | 6 | | | | | |
  | ITF | D Pérez Sanz | 6 | 6 | ITF | D Pérez Sanz | 4 | 2 | | | | | | | | | | | |
  | | | | | 2 | T Ito | 6 | 6 | | | | | | | | | | | |
  