title: 2019 ATP Challenger China International – Nanchang – Singles
text: # 2019 ATP Challenger China International – Nanchang – Singles
  
  Quentin Halys was the defending champion but chose not to defend his title.
  
  Andrej Martin won the title after defeating Jordan Thompson 6–4, 1–6, 6–3 in the final.
  
  ## Seeds
  
  All seeds receive a bye into the second round.
  
  * Jordan Thompson (final)
  * Prajnesh Gunneswaran (withdrew)
  * Alex Bolt (second round)
  * Ramkumar Ramanathan (semifinals)
  * James Duckworth (third round)
  * Jason Kubler (second round)
  * Nikola Milojević (semifinals)
  * Enrique López Pérez (third round)
  * Aleksandr Nedovyesov (second round)
  * Maxime Janvier (second round, retired)
  * Go Soeda (quarterfinals)
  * Jay Clarke (third round)
  * Adam Pavlásek (third round)
  * Lee Duck-hee (second round)
  * Uladzimir Ignatik (second round)
  * Kaichi Uchida (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 | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | Jordan Thompson | $6^4$ | 6 | 6 | | | | | | | | | |
  | 11 | Go Soeda | $7^7$ | 4 | 3 | | | | | | | | | |
  | 11 | Go Soeda | $7^7$ | 4 | 3 | 1 | Jordan Thompson | $7^7$ | 6 | | | | | |
  | | | | | | 4 | Ramkumar Ramanathan | $6^2$ | 3 | | | | | |
  | 4 | Ramkumar Ramanathan | 6 | 6 | | 4 | Ramkumar Ramanathan | $6^2$ | 3 | | | | | |
  | | Zhang Zhizhen | 3 | 0 | | | | | | | | | | |
  | | Zhang Zhizhen | 3 | 0 | | | | | | 1 | Jordan Thompson | 4 | 6 | 3 |
  | | | | | | | | | | | Andrej Martin | 6 | 1 | 6 |
  | Alt | Ben Patael | 2 | 5 | | | | | | | | | | | Andrej Martin | 6 | 1 | 6 |
  | | Andrej Martin | 6 | 7 | | | | | | | | | | |
  | | Andrej Martin | 6 | 7 | | | Andrej Martin | 6 | 6 | | | | | |
  | | | | | | 7 | Nikola Milojević | 0 | 4 | | | | | |
  | 7 | Nikola Milojević | 6 | 4 | 6 | 7 | Nikola Milojević | 0 | 4 | | | | | |
  | | Andrew Harris | 2 | 6 | 0 | | | | | | | | | |
  
  ### 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | | 1 | J Thompson | 6 | 4 | 6 | | | | | | | | | |
  | | L Saville | 3 | 4 | | ITF | J Grills | 3 | 6 | 1 | | | | | | | | | |
  | ITF | Jacob Grills | 6 | 6 | | | | | | | 1 | J Thompson | 6 | 6 | | | | | |
  | Q | Wu Hao | 6 | 1 | 3 | | | | | | | V Šafránek | 2 | 1 | | | | | |
  | | V Šafránek | 3 | 6 | 6 | | V Šafránek | $7^8$ | 6 | | | | | | | | | | |
  | | | | | | 15 | U Ignatik | $6^6$ | 4 | | | | | | | | | | |
  | | | | | | | | | | | | | | | 1 | J Thompson | $6^4$ | 6 | 6 |
  | | | | | | | | | | | | | | | 11 | G Soeda | $7^7$ | 4 | 3 |
  | | | | | | 11 | G Soeda | 6 | 6 | | | | | | | | | | |
  | ITF | Y Bai | 6 | 2 | $6^4$ | | S Balaji | 4 | 4 | | | | | | | | | | |
  | | S Balaji | 2 | 6 | $7^7$ | | | | | | 11 | G Soeda | 7 | 6 | | | | | |
  | | D Wu | 6 | 6 | | | | | | | 5 | J Duckworth | 5 | 1 | | | | | |
  | WC | Cui Jie | 1 | 2 | | | D Wu | $6^9$ | 3 | | | | | | | | | | |
  | | | | | | 5 | J Duckworth | $7^{11}$ | 6 | | | | | | | | | | |
  
  **Section 2**
  
  | 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | 4 | R Ramanathan | 6 | 6 | | | | | | | | | |
  | WC | F Sun | 4 | 4 | WC | R Te | 3 | 2 | | | | | | | | | |
  | WC | R Te | 6 | 6 | | | | | | 4 | R Ramanathan | 6 | 6 | | | | |
  | | Xia Zihao | 2 | 5 | | | | | | 16 | K Uchida | 2 | 3 | | | | |
  | ITF | T Gabashvili | 6 | 7 | ITF | T Gabashvili | 4 | 6 | 3 | | | | | | | | |
  | | | | | 16 | K Uchida | 6 | 2 | 6 | | | | | | | | |
  | | | | | | | | | | | | | | 4 | R Ramanathan | 6 | 6 |
  | | | | | | | | | | | | | | | Zh Zhang | 3 | 0 |
  | | | | | 10 | M Janvier | $6^5$ | $1^r$ | | | | | | | | | |
  | | S Myneni | 4 | 4 | | Zh Zhang | $7^7$ | 2 | | | | | | | | | |
  | | Zh Zhang | 6 | 6 | | | | | | | Zh Zhang | 6 | 6 | | | | |
  | | T-l Wu | 3 | 2 | | | | | | 8 | E López Pérez | 2 | 4 | | | | |
  | | Makoto Ochi | 6 | 6 | | M Ochi | 3 | 0 | | | | | | | | | |
  | | | | | 8 | E López Pérez | 6 | 6 | | | | | | | | | |
  
  ### Bottom half
  
  **Section 3**
  
  | 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 |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | | | | | 6 | J Kubler | 1 | 6 | 5 | | | | | | | | |
  | Alt | B Patael | 6 | 6 | Alt | B Patael | 6 | 4 | 7 | | | | | | | | |
  | WC | X Gao | 1 | 4 | | | | | | Alt | B Patael | 6 | 7 | | | | |
  | WC | Y He | $6^2$ | 2 | | | | | | 12 | J Clarke | 3 | 5 | | | | |
  | | M Purcell | $7^7$ | 6 | | M Purcell | $6^2$ | 3 | | | | | | | | | |
  | | | | | 12 | J Clarke | $7^7$ | 6 | | | | | | | | | |
  | | | | | | | | | | | | | | Alt | B Patael | 2 | 5 |
  | | | | | | | | | | | | | | | A Martin | 6 | 7 |
  | | | | | 14 | D-h Lee | 3 | 2 | | | | | | | | | |
  | | G Oliveira | 6 | 6 | | G Oliveira | 6 | 6 | | | | | | | | | |
  | | M Banes | 4 | 3 | | | | | | | G Oliveira | 4 | 2 | | | | |
  | | A Martin | 6 | 6 | | | | | | | A Martin | 6 | 6 | | | | |
  | | T Lamasine | 2 | 2 | | A Martin | 6 | 6 | | | | | | | | | |
  | | | | | 3 | A Bolt | 2 | 4 | | | | | | | | | |
  
  **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 | N Milojević | 6 | 6 | | | | | | | | | | | |
  | | S Mukund | 6 | 3 | | S Mukund | 2 | 4 | | | | | | | | | | | |
  | | Renta Tokuda | 1 | $1^r$ | | | | | | 7 | N Milojević | $7^7$ | $7^7$ | | | | | | |
  | | A Santillan | 6 | 6 | | | | | | | A Santillan | $6^2$ | $6^5$ | | | | | | |
  | | Lo Chien-hsun | 1 | 2 | | A Santillan | 6 | 4 | 7 | | | | | | | | | | |
  | | | | | 9 | A Nedovyesov | 4 | 6 | 5 | | | | | | | | | | |
  | | | | | | | | | | | | | | | 7 | N Milojević | 6 | 4 | 6 |
  | | | | | | | | | | | | | | | | A Harris | 2 | 6 | 0 |
  | | | | | 13 | A Pavlásek | 6 | 6 | | | | | | | | | | | |
  | ITF | R Noguchi | 4 | 3 | | Y-s Chung | 3 | 2 | | | | | | | | | | | |
  | | Y-s Chung | 6 | 6 | | | | | | 13 | A Pavlásek | 3 | 6 | 3 | | | | | |
  | Q | L Margaroli | 1 | 2 | | | | | | | A Harris | 6 | 4 | 6 | | | | | |
  | | A Harris | 6 | 6 | | A Harris | 6 | 6 | | | | | | | | | | | |
  | | | | | Alt | V Vardhan | 2 | 3 | | | | | | | | | | | |
  