Inter Campos Vets and Los Domingueros opened Group B with a highly competitive all-Spanish encounter, and a first half that reflected just how evenly matched the two debutant sides were. Chances were limited in the opening period, with both teams showing good defensive organisation and careful build-up play, resulting in a goalless halftime scoreline.

The breakthrough came early in the second half when Los Domingueros seized control of the match through Tiago Maidana. He opened the scoring before quickly doubling his tally to give his side a commanding 2–0 lead, and for a spell it looked as though they might be on course for a comfortable opening victory. Inter Campos Vets, however, responded strongly and showed excellent resilience to fight their way back into the contest. Luis Roldan led the comeback with two well-taken goals, bringing his side level at 2–2 and shifting the momentum firmly back in their direction as the match entered its final stages.

Just as the game appeared to be heading towards a draw, Dani Guerra produced the decisive moment, striking the winning goal in a five-goal thriller to secure a 3–2 victory for Los Domingueros. It was a dramatic conclusion to an entertaining opener, with Los Domingueros taking all 3points. Inter Campos Vets were left to reflect on a spirited comeback that ultimately fell just short.

Very Old Salesians A marked their tournament debut with a hard-fought 1–0 victory over experienced campaigners Urbansport Coll in a closely contested Group B encounter. With little to separate the two sides throughout, both teams showed early discipline and defensive organisation, making clear chances at a premium in a tightly balanced first half.

The only goal of the game came in somewhat unfortunate circumstances for Urbansport Coll, as Cristobal Tejada Luna turned the ball into his own net to hand the English debutants a 1–0 advantage. Despite the breakthrough, Very Old Salesians A were unable to extend their lead, while Urbansport Coll pushed to find an equaliser before the interval but were met by a well-structured defensive display.

The second half continued in much the same pattern, with both sides battling for control but neither able to find a decisive opening. Very Old Salesians A managed the game effectively to protect their slender lead, while Urbansport Coll were left frustrated in front of goal. In the end, the early own goal proved decisive as Salesians A secured all three points with a narrow but valuable opening win.

Los Domingueros and Very Old Salesians A met in a highly anticipated Group B clash between two sides who had both begun their campaigns with victory, and the match quickly developed into a tight, competitive contest befitting two early pace-setters. With top spot in the group on the line, neither team was willing to give much away in the opening stages, as both defences held firm under increasing pressure.

The first half produced an evenly matched exchange of goals, with Luis Jaramillo putting Los Domingueros ahead before Steve Gale responded for Very Old Salesians A to level the scores at 1–1. Both sides showed attacking intent but also respect for each other's threat, and the deadlock at half-time reflected just how finely balanced the contest remained.

Los Domingueros made the more decisive start to the second half, with Dani Guerra putting them back in front before Ezekiel Erdones extended the advantage to 3–1. That two-goal cushion gave them control of the game for a spell, as they looked to manage proceedings and take a significant step toward top spot in the group.

However, Very Old Salesians A refused to go quietly and set up a tense finish when Steve Gale struck again to reduce the deficit to 3–2. Despite late pressure in search of an equaliser, Los Domingueros held firm to secure their second consecutive 3–2 victory, a result that moved them to the top of Group B and underlined the fine margins separating the leading sides in a highly competitive group.

Urbansport Coll and No Denying the Skids met in the final fixture before the halfway point of Group B, with both sides looking to recover from opening-match defeats and reignite their tournament campaigns. With Group B proving tightly contested across the board, another close encounter was expected, and the first half delivered exactly that, with neither team able to get their nose ahead.

Chances were limited as both sides defensive abilities triumphed over attacking threat. Despite some promising attacking moments, neither Urbansport Coll nor No Denying the Skids could find a breakthrough, and the teams went into half-time locked at 0–0, reflecting the evenly balanced nature of the contest.

The deadlock was finally broken early in the second half when Gonzalo Zamudio-Enri struck to give Urbansport Coll a valuable 1–0 lead. That goal shifted the momentum in favour of the Spanish side, forcing the Skids to push forward in search of an equaliser and opening up the game in the process. Urbansport Coll then made the result safe when Oscar Miro Orellana added a second goal to extend the advantage to 2–0. From there, they managed the closing stages effectively to secure their first win of the campaign, while No Denying the Skids were left to reflect on another difficult outing in their debut tournament, still searching for their first goal and first points in Group B.