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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Kc1 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Kd2 loss in 1 half-moves
13 Kf3 loss in 1 half-moves
14 Kf4 loss in 1 half-moves
15 Kf5 loss in 1 half-moves
16 Kg3 loss in 1 half-moves
17 Kg5 loss in 1 half-moves
18 Kh3 loss in 1 half-moves
19 Kh4 loss in 1 half-moves
20 Kh5 loss in 1 half-moves
21 Ra1 loss in 1 half-moves
22 Rc1 loss in 1 half-moves