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 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd2 draw
6 Rb1 draw
7 Rb2 draw
8 Rb4 draw
9 Rb5 draw
10 Rc3 draw
11 Rd3 draw
12 Re3 draw
13 Kd1 loss in 4 half-moves
14 Ra3 loss in 4 half-moves
15 Rg3 loss in 4 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rh3 loss in 1 half-moves