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

EGTB: win in 2 half-moves

# move score
1 Kh1 win in 1 half-moves
2 Kh2 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb3 draw
5 Kb7 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kf1 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Kb5 loss in 1 half-moves
20 Rb5 loss in 1 half-moves