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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kb6 draw
7 Kc4 draw
8 Kc5 draw
9 Kc6 draw
10 Rc7 draw
11 Rd7 draw
12 Re7 draw
13 Rf7 draw
14 Rg7 draw
15 Rh7 draw
16 Ra7 loss in 2 half-moves
17 Rb6 loss in 2 half-moves