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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Rb1 draw
6 Rb4 draw
7 Rb7 draw
8 Rb8 draw
9 Rc3 draw
10 Rd3 draw
11 Kd7 loss in 10 half-moves
12 Kd8 loss in 4 half-moves
13 Re3 loss in 4 half-moves
14 Rf3 loss in 4 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Ra3 loss in 1 half-moves