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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Rb8 win in 5 half-moves
3 Rb5 win in 7 half-moves
4 Kb6 draw
5 Kc6 draw
6 Kd6 draw
7 Rb4 draw
8 Rb6 draw
9 Re3 draw
10 Rf3 draw
11 Rg3 draw
12 Rh3 draw
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kg8 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rd3 loss in 2 half-moves