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 Kc4 draw
7 Kc5 draw
8 Kc6 draw
9 Ra6 draw
10 Rc6 draw
11 Rh6 draw
12 Rb7 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg6 loss in 1 half-moves