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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rb8 win in 11 half-moves
3 Rb1 draw
4 Rb2 draw
5 Rb6 draw
6 Rc3 draw
7 Rd3 draw
8 Re3 draw
9 Rg3 draw
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kcd7 loss in 2 half-moves
14 Kcd8 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ked7 loss in 2 half-moves
17 Ked8 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves