Sanchez suffered a stroke due to fatigue while campaigning and died on April 27.

Incumbent Eileen Ermita-Buhain is in her third consecutive term and is ineligible to run; her father Eduardo is her party's nominee for the seat.

Eduardo Ermita placed the result of the election under protest in the House of Representatives Electoral Tribunal.

Victoria Hernandez-Reyes is in her third consecutive term and is ineligible to run; her husband Rodrigo is her party's nominee for the seat.

All 4 Districts of Batangas will elect Sangguniang Panlalawigan or provincial board members.