In recent days, the three ATP 250 events have started simultaneously, and after the withdrawal of Ruud and Beretini, Uma is the strongest line-up. Here's a look at the tournament's draw and recent results:
New world No. 5 Alcalas, who just "scored" the first defeat of his career in the final, will be the top seed. His first match will be between Czech Jiri Vesely and Argentine clay-court ace Maria del Bones.
The other seeded player in the region is sixth-seeded Joaquin Altmeyer of Germany, who will meet Nicolas Mutteit of France in the first round.
The third-seeded Roane, who leads the two quarters of the field, has suffered a run of consecutive losses on tour since knocking out Tsippas to reach the last eight at the French Open.
On the roster, he's in the weakest division and seems to have no problem getting to the Final Four. But Colombian Garland knocked out the seventh seed Fognini in three sets, really let a person take a surprise. Rune's place in the semi-finals is in doubt.
The three quarters were led by fourth-seeded Bayes and eighth-seeded Mussetti, who both won their career debuts this year. In addition, the Serbian Jere is also in the district.
In the first round, former French Open semifinalist Nicolas Cecchinato beat Croatian Ivan Pojcak 6-1, 5-7, 6-2.
For Mussetti to meet Alcalas again, he needs both to reach the final.
The final zone, led by the second seed, Italian Cinna, his first opponent is the Spaniard Munnar. The latter won the first round 4-6 6-1 6-4 against Sweden's Immel.
Djokovic's younger brother Moorcan is seeded fifth after Spaniard Mariana Baena beat Switzerland's Jelena Laaksonen 6-4 7-5 in straight sets in the first round.
Alcalas, who has won four titles this year, won his first career title here last year, beating French veteran Richard Gasquet 6-2 in the final. Coincidentally, two of his recent losses happened to opponents who played in the tournament.
Wimbledon quarterfinals to Sinna, Hamburg finals to Mussetti. I wonder if the defending champion can get his revenge?
In the past, including Lublev (career first title), Cecchinato and others have reached the top here.
Umag is a coastal city in Croatia, where the scenery is so attractive that many tourists come to clock in. Nadal's current coach, Moya, has served as an ambassador for the city and the tournament.