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

EGTB: win in 20 half-moves

# move score
1 Kb5 win in 19 half-moves
2 Ka7 draw
3 Kb6 draw
4 Kb7 draw
5 Ke1 draw
6 Ra1 draw
7 Rb1 draw
8 Rc6 draw
9 Rc7 draw
10 Rc8 draw
11 Ka5 loss in 4 half-moves
12 Kc2 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves