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 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb3 draw
6 Kb5 draw
7 Kc3 draw
8 Kc4 draw
9 Kc5 draw
10 Ra7 draw
11 Rb5 draw
12 Rb6 draw
13 Rc7 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves