Prediction markets: Kalshi gives Canelo Alvarez a 74% chance against Christian Mbilli, and Polymarket gives Fluminense FC a 39.5% chance against Santos FC, as of October 18, 2:07 a.m. ET. Prices are bets, not polls.
Copa Libertadores tension builds. 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 delivered a result. Botafogo edged Chapecoense 1–0 on Saturday.
Austrian pair reach Shanghai final. Lucas Miedler and Neil Oberleitner won their doubles semi-final 7–5, 6–3 and play for the Masters 1000 title today.
Today’s headlines October 18, 2026
| Event | Status | Angle |
|---|---|---|
| Copa Libertadores semi-finals | This week | Estudiantes and Flamengo are level after the first leg, with the decisive match to be played in Brazil. |
| Brasileirão | Result | Botafogo beat Chapecoense 1–0 on Saturday. |
| Rolex Shanghai Masters doubles | Today | Miedler and Oberleitner face Francisco Cabral and JJ Tracy in the final after a straight-sets semi-final win. |
01
Estudiantes face decisive Libertadores trip to Flamengo
Preview
The Copa Libertadores semi-finals move to their second legs this week. The first legs were played on 14 and 15 October 2026, with the return fixtures on 21 and 22 October.
Estudiantes de La Plata drew 0–0 at home with Brazil’s Flamengo in the first leg on 15 October. That result leaves the tie open before the decisive match in Brazil.
For foreign readers, the Libertadores is South America’s equivalent of the Champions League. A place in the final is now within reach for both clubs.
The return leg is on Thursday 22 October at the Maracanã in Rio de Janeiro, with kick-off at 21:30 Argentine time. The other semi-final, Palmeiras against Fluminense, has its second leg on 21 October.
In short — Estudiantes and Flamengo are level after the first leg, with the return match in Brazil this week deciding who reaches the final.
05
Miedler and Oberleitner reach Shanghai doubles final
Result
Austrian pair Lucas Miedler and Neil Oberleitner beat Jakob Schnaitter and Mark Wallner of Germany 7–5, 6–3 in the Shanghai Masters doubles semi-final on 17 October 2026.
They have not dropped a set during the tournament, according to the official event news. It is their first Masters 1000 campaign together.
Today they face Francisco Cabral and JJ Tracy in the final. The match was scheduled for 18 October 2026.
The Shanghai Masters is one of the ATP Tour’s top tier events, and the doubles final gives both teams a rare shot at a Masters 1000 title.
In short — Miedler and Oberleitner won their semi-final in straight sets and play Cabral and Tracy in the Shanghai doubles final today.
What Prediction Markets Say
Implied chances from traders’ prices, as of October 18, 2:07 a.m. ET.
Canelo Alvarez vs Christian Mbilli
Canelo Alvarez 74% · Christian Mbilli 28%
Kalshi (regulated in the US by the CFTC) · 251,037 contracts traded
Fluminense FC vs. Santos FC
Fluminense FC 39.5% · Santos FC 32.5%
Polymarket · US$15,252 traded
Millonarios FC vs. Once Caldas
Millonarios FC 55% · Once Caldas 18%
Polymarket · US$12,308 traded
Liga MX Apertura Champion
America 31% · Toluca 16% · Guadalajara 13%
Kalshi (regulated in the US by the CFTC) · 834,436 contracts traded
Brazil Série A: Winner
Flamengo 63% · Palmeiras 37% · Fluminense 0.4%
Polymarket · US$50,332 traded
Copa Libertadores: Winner
Flamengo 48.5% · Palmeiras 41% · Estudiantes LP 8.8%
Polymarket · US$35,405 traded
Why we show this: prediction markets turn real-money bets into a live probability that moves within minutes of the news, which is why investors, campaigns and newsrooms in the United States now follow them closely. We show them next to polls and official results, never instead of them.
03
Frequently Asked Questions
FAQ
When is the Copa Libertadores semi-final second leg between Flamengo and Estudiantes?
The second legs of the semi-finals are on 21 and 22 October 2026. Flamengo host Estudiantes at the Maracanã on Thursday 22 October, with kick-off at 21:30 Argentine time.
The first leg in La Plata ended 0–0, meaning the tie will be decided in Brazil.
What happened in the Brasileirão on Saturday?
Botafogo beat Chapecoense 1–0 on Saturday 17 October 2026.
Who is playing in the Shanghai Masters doubles final today?
Lucas Miedler and Neil Oberleitner of Austria face Francisco Cabral and JJ Tracy. The final was scheduled for 18 October 2026.
Miedler and Oberleitner beat Schnaitter and Wallner 7–5, 6–3 in the semi-final and have not dropped a set in Shanghai.
In short — The Libertadores second legs are this week, Argentine and Brazilian leagues produced Saturday results, and the Shanghai doubles final is today.
Sources: Rolex Shanghai Masters official news, BBC Sport tennis scores and schedule, Tennis.com match page, ESPN Singapore tennis scoreboard
Updated: 2026-10-17T23:06:00-03:00 by Oliver Mason, Latin America sports correspondent.
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