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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Rb4 win in 5 half-moves
5 Kb5 draw
6 Kc5 draw
7 Kd5 draw
8 Rb5 draw
9 Re3 draw
10 Rg3 draw
11 Rh3 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg8 loss in 2 half-moves
22 Kh6 loss in 2 half-moves
23 Kh7 loss in 2 half-moves
24 Kh8 loss in 2 half-moves
25 Ra3 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Rb2 loss in 2 half-moves
28 Rc3 loss in 2 half-moves
29 Rd3 loss in 2 half-moves
30 Rf3 loss in 2 half-moves