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

EGTB: win in 6 half-moves

# move score
1 Rb2 win in 5 half-moves
2 Rb3 win in 5 half-moves
3 Rb4 win in 5 half-moves
4 Rb1 win in 13 half-moves
5 Kb6 draw
6 Kc6 draw
7 Kd6 draw
8 Ra7 draw
9 Rb5 draw
10 Rb6 draw
11 Kb8 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Rb8 loss in 2 half-moves