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