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 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Ra3 draw
8 Rb1 draw
9 Rb2 draw
10 Rb5 draw
11 Rc3 draw
12 Rh3 draw
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves