# Copa Libertadores Semi-Finals Tension Builds

> Estudiantes and Flamengo face decisive Copa Libertadores semi-final clash in Brazil this week.
- Title: Copa Libertadores Semi-Finals Tension Builds · The Rio Times
- Summary: Estudiantes and Flamengo face decisive Copa Libertadores semi-final clash in Brazil this week. Estudiantes and Flamengo are tied after first leg of Copa…
- Keywords: copa libertadores, estudiantes, flamengo, liga mx, brasileirao, shanghai masters, miedler, oberleitner, news, world, politics, Copa
- Source: The Rio Times — https://riotimesonline.com/latin-america-sports-daily-sunday-october-18-2026
- Author: Oliver Mason
- Published: 2026-10-18T06:30:09+00:00
- Read time: 1 min
- Topics: copa libertadores, estudiantes, flamengo, liga mx, brasileirao, shanghai masters, miedler, oberleitner, news, world, politics
## Copa Libertadores semi-finals
The second legs of the semi-finals are scheduled for this week, with Estudiantes needing a result in Brazil against Flamengo after their first-leg draw.
## Brasileirão result
Botafogo edged Chapecoense 1, 0 on Saturday 17 October 2026.
## Shanghai Masters doubles
Austrian pair Lucas Miedler and Neil Oberleitner won their doubles semi-final 7, 5, 6, 3 and play for the Masters 1000 title today.
## Prediction markets
Kalshi gives Santos Laguna a 26% chance to win the Liga MX Clausura, and Polymarket gives Flamengo a 60% chance to win the Brazil Série A as of October 27, 6:37 a.m. ET.
## Copa Libertadores first leg
Estudiantes de La Plata drew 0, 0 at home with Brazil’s Flamengo in the first leg on 15 October 2026.
## Copa Libertadores return match
The return leg is on Thursday 22 October at the Maracanã in Rio de Janeiro, with kick-off at 21:30 Argentine time.
## Shanghai Masters final
Miedler and Oberleitner face Francisco Cabral and JJ Tracy in the final after a straight-sets semi-final win.
## Prediction markets details
Liga MX Clausura Champion: Santos Laguna 26% · Guadalajara 19% · America 15% (Kalshi, 556,072 contracts traded).
## Key takeaway

Estudiantes and Flamengo are tied after first leg of Copa Libertadores semi-finals with return match in Brazil on October 22.