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