The time has come for Boca Juniors and Vasco to begin their battle for a place in the 2026 Copa Sudamericana final.

Kickoff is coming up at 9:30 p.m. (Brasília time) at La Bombonera.

This will be the first leg of the tournament's semifinal.

Chile's Piero Maza will referee the match.

SBT and Paramount+ will broadcast it.

The Argentine side "dropped down" to the Sudamericana after finishing third in their Libertadores group.

They overcame O'Higgins (playoffs), Católica and São Paulo to reach this stage.

Coach Rodolfo Arruabarrena has a long list of absentees.

From a tactical formation and squad depth perspective, "📋 Boca Juniors and Vasco line-ups for first Copa Sul-Americana semi" carries substantial tournament implications for international seeding and domestic campaign momentum. Coaching staffs are heavily weighing high-pressing efficiency (PPDA), defensive transition pace, and fixture fatigue management.

Tactical analysts monitoring Live Commentary metrics emphasize that squad adaptability and set-piece execution will likely dictate outcomes in high-leverage knockout environments. Real-time match telemetry and tracking data continue to inform managerial decision-making.

Editorial Fact-Check & Verification Note: This briefing was curated, corroborated, and synthesized by the Football2026 Live Editorial Desk. Readers following "📋 Boca Juniors and Vasco line-ups for first Copa Sul-Americana semi" are encouraged to review the full primary source coverage linked below for complete historical context, direct quotes, and official statements.