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

EGTB: win in 4 half-moves

# move score
1 Kcc3 win in 3 half-moves
2 Ka3 win in 5 half-moves
3 Kbc3 win in 5 half-moves
4 Kd4 win in 7 half-moves
5 Ka2 draw
6 Ka4 draw
7 Kb2 draw
8 Kc2 draw
9 Kd3 draw
10 Ra4 draw
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves