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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb2 draw
3 Kc2 draw
4 Kcd2 draw
5 Kcd3 draw
6 Ke2 draw
7 Ked2 draw
8 Ked3 draw
9 Kf2 draw
10 Kf3 draw
11 Ra3 draw
12 Rb1 draw
13 Rb2 draw
14 Kb4 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kcd4 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ked4 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves