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

EGTB: win in 2 half-moves

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