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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Ka6 win in 1 half-moves
3 Kc3 win in 1 half-moves
4 Kd3 win in 1 half-moves
5 Ke3 win in 1 half-moves
6 Rb1 win in 1 half-moves
7 Kb6 loss in 2 half-moves
8 Kbc4 loss in 2 half-moves
9 Kbc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kdc4 loss in 2 half-moves
13 Kdc5 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Ka4 loss in 1 half-moves
20 Ra4 loss in 1 half-moves