Richard and Corbin ready for final showdown between Dbacks and Padres.

Neither the Padres nor the D-backs enjoy facing much left-handers. On Thursday afternoon, both offenses will be tested once again in a duel between left-handers. Clayton Richard of San Diego will face Patrick Corbin of Arizona at the end of a three-game series.

It will be Richard’s fourth start against Arizona this year. He was dominant in his last, throwing a complete game with 96 pitches while allowing a race. The D-backs, meanwhile, have only 8-9 this year in games started by lefties. Entering the game on Wednesday, they were hitting .232 against lefties with a .680 OPS. (Compared to an average .266 and .792 OPS against duties).

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The Fathers have fought even harder against throwing lefties. His .195 average and .591 OPS serve as the lowest marks in baseball. The leader Andy Green pointed to his list, which is heavy for left-handers and young right-handed batters who did not see much throw high quality lefties during his time in the Minors.

“It takes time to make those adjustments,” Green said. “With this type of build list, Hunter Renfroe has done a great job against the left-handers, but other than that, it’s been a battle for us.”

Things you should know about this game

• No batter in baseball has hit base more against Richard than Paul Goldschmidt, who has nine hits and eight passports in 35 career appearances. This season, Goldschmidt is 9-4 with a double, a home run and a stroll against Richard.

• The D-backs have lost Corbin’s last two starts, allowing 19 hits and 12 earned runs in just nine innings. He has faced the Padres twice this year, posting quality outings, and a 2.77 ERA in both.

• One thing that Richard has been able to do well this season is to get the opposing hitters to pursue. They have swayed 35.6 percent of Richard’s releases that Statcast has tracked as out of the zone, the highest chase rate for any MLB holder with at least 300 pitches out of the area in 2017.