Click on the third or sixth rank to set the en passant target square.

EGTB: win in 8 half-moves

# move score
1 Kc3 win in 7 half-moves
2 Kcc5 win in 7 half-moves
3 Kd3 win in 7 half-moves
4 Kb6 win in 9 half-moves
5 Kb3 draw
6 Kd4 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Ka4 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kbc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ra4 loss in 2 half-moves