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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc5 draw
5 Kd5 draw
6 Kd6 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rf3 draw
11 Rg3 draw
12 Kc7 loss in 12 half-moves
13 Kd7 loss in 10 half-moves
14 Ra3 loss in 10 half-moves
15 Kb7 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves