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