The Cuban Davis Cup team produced a sublime display against Honduras on Wednesday to secure a play-off place as they attempt to return to Americas Zone Group II for the first time since 2007.
There were comfortable straight sets wins for Randy Blanco Quintana (making up for his loss in the first tie of the week against Bahamas) and William Dorantes Sanchez, who defeated Alejandro Obando and Keny Turcios respectively, which sealed the tie for the Cubans.
Ernesto Alfonso Fundora and Blanco Quintana then teamed up to win the doubles rubber in under an hour, giving Cuba a 3-0 whitewash victory.
The result means that Cuba cannot finish any lower than second in Pool A, regardless of the result of their tie against Panama on Friday: the team will therefore face a promotional play-off tie on Saturday.
The other tie in Pool A was a close affair that went down to a decisive doubles clash. Bahamas' Jamal Adderley won a comfortable opening rubber to put his nation 1-0 up, but Walner Espinoza fought back for Panama, winning in three sets to level the match.
Unfortunately for Espinoza, he and Luis Gomez were unable to match the Bahamas' team of Adderley and Marvin Rolle, who took just 55 minutes to score a 64 60 win and end Panama's hopes of achieving promotion this year.
That result means that Friday's match-up between Bahamas and Honduras will be decisive in determining which nation joins Cuba in advancing to the promotional play-offs.
With Pool B leaders Puerto Rico not in action on Wednesday, there was a chance for the other four nations to make up ground on the hosts.
Costa Rica made the most of that opportunity, winning 3-0 against Bermuda; however, the scoreline belies how hard the Costa Ricans were forced to fight, as two of three matches were settled in the deciding set.
Ignaci Roca Balmaceda defeated Gavin Manders to put his nation 1-0 up, before Pablo Nunez Palmieri won in three sets against David Thomas.
And the doubles team of Alvaro Riveros Quintero and Julian Saborio Madrigal overcame a horrendous start, having lost the opening set 6-0, to win in the final set.
Meanwhile, after falling tamely to a 3-0 defeat against Puerto Rico on Tuesday, Jamaica got off the mark with a win over Trinidad & Tobago. Daniel Harris got the ball rolling for the Jamaicans with a 64 61 triumph against Akiel Duke.
But Vaughn Wilson levelled the tie with a three-set win against Dominic Pagon. However, Pagon made amends when he teamed up with Brandon Burke to beat Duke and Wilson in the doubles 75 63.
On Thursday, Puerto Rico return to action with a tie against Trinidad & Tobago, while Costa Rica take on Jamaica. The final round of matches (in both pools) will take place on Friday.
You can follow events in Humacao this week in detail here.