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 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Ra7 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb4 draw
11 Rb5 draw
12 Rd7 draw
13 Re7 draw
14 Rf7 draw
15 Rg7 draw
16 Rh7 draw
17 Rb6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves