​The Chicago Cubs, as the No. 5 seed, will face the fourth-seeded San Diego Padres in a best-of-three National League wild-card series beginning Tuesday at Petco Park.The Cubs finished in second place in the NL Central for the fourth consecutive season — with the Milwaukee Brewers having clinched their fourth straight division crown. In their last playoff appearance, the Cubs beat the Padres last season in a wild-card series at Wrigley Field before losing to the Brewers 3-2 in the division series.The Cubs went 5-1 against the Padres this season, outscoring them 55-28 — including a 23-3 win on July 1. The only time the Cubs have played a postseason series in San Diego was the 1984 National League Championship Series, in which the Padres won all three home games to come back and win the series 3-2.No. 5 Cubs at No. 4 PadresAll games on Peacock/NBCSNGame 1: Tuesday, 9 p.m.Game 2: Wednesday, 9 p.m.Game 3: Thursday, TBD, if necessaryDivision seriesOct. 3-10, best of five, 2-2-1 formatNo. 1 Brewers vs. Cubs/Padres winnerNo. 2 Los Angeles Dodgers vs. Atlanta Braves/No. 6 seed winnerChampionship seriesOct. 11-20, best of seven, 2-3-2 formatMore Cubs newsCubs’ wild-card rotation plans in flux as they monitor Kevin Gausman’s left shoulder injuryColumn: With Cubs locked in, will we see an epic Pete Crow-Armstrong-Shohei Ohtani encore in October?‘That’s my baseball dad’: The Cubs coach who helped Pete Crow-Armstrong become an MVP-caliber hitter‘OK, job isn’t done’: Cubs toast return to postseason — and eye a deeper runPete Crow-Armstrong becomes the 1st Chicago Cub with a 40-40 season — and only the 7th player in MLB historyHow the Cubs and White Sox have fared in the postseason since 1906