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 Ka2 draw
3 Kd7 draw
4 Kd8 draw
5 Ke7 draw
6 Kf7 draw
7 Kf8 draw
8 Ra3 draw
9 Rb4 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Rc3 draw
14 Rd3 draw
15 Rf3 draw
16 Rg3 draw
17 Rh3 draw
18 Kb1 loss in 2 half-moves
19 Kb2 loss in 2 half-moves
20 Rb1 loss in 1 half-moves
21 Rb2 loss in 1 half-moves
22 Re3 loss in 1 half-moves