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