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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kcb3 win in 3 half-moves
3 Kcc3 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Rb1 win in 3 half-moves
6 Ka3 win in 7 half-moves
7 Ka4 win in 7 half-moves
8 Ka5 win in 7 half-moves
9 Kbc3 win in 7 half-moves
10 Kb5 win in 9 half-moves
11 Kd2 win in 9 half-moves
12 Ra2 win in 11 half-moves
13 Kb1 draw
14 Kbb3 draw
15 Kd1 draw
16 Rb3 draw
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves