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 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Rb1 draw
8 Rb6 draw
9 Rc3 draw
10 Rd3 draw
11 Kd5 loss in 10 half-moves
12 Kd6 loss in 10 half-moves
13 Re3 loss in 6 half-moves
14 Kd7 loss in 4 half-moves
15 Rf3 loss in 4 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 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 Ra3 loss in 1 half-moves