| 2018 Casino Admiral Trophy | |
|---|---|
| Date | 26–31 March |
| Edition | 1st |
| Surface | Clay |
| Location | Marbella, Spain |
| Champions | |
| Singles | |
 Stefano Travaglia | |
| Doubles | |
 Guido Andreozzi /  Ariel Behar | |
The 2018 Casino Admiral Trophy was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Marbella, Spain between 26 and 31 March 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Roberto Carballés Baena | 78 | 1 |
 SRB | Laslo Đere | 94 | 2 |
| ITA | Marco Cecchinato | 97 | 3 |
| ESP | Adrián Menéndez Maceiras | 112 | 4 |
 POR | Pedro Sousa | 119 | 5 |
 SVK | Andrej Martin | 121 | 6 |
| ITA | Stefano Travaglia | 123 | 7 |
| ESP | Marcel Granollers | 131 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Stefano Travaglia def. Guido Andreozzi 6–3, 6–3. Guido Andreozzi / Ariel Behar def. Martin Kližan / Jozef Kovalík 6–3, 6–4.The 2011 Challenger Ciudad de Guayaquil was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which is part of the 2011 ATP Challenger Tour. It took place in Guayaquil, Ecuador between 21 and 27 November 2011.
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