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 Ka4 win in 9 half-moves
3 Kb4 win in 9 half-moves
4 Kb5 win in 9 half-moves
5 Rb1 win in 9 half-moves
6 Rc1 win in 9 half-moves
7 Kb6 win in 21 half-moves
8 Ke1 win in 25 half-moves
9 Ka6 win in 27 half-moves
10 Ra3 draw
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra4 loss in 2 half-moves