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 Kb8 draw
3 Kc8 draw
4 Kcd7 draw
5 Kcd8 draw
6 Ke8 draw
7 Ked7 draw
8 Ked8 draw
9 Kf7 draw
10 Kf8 draw
11 Ra7 draw
12 Rb1 draw
13 Rb8 draw
14 Kb6 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ked6 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves