Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kc4 draw
6 Kc5 draw
7 Kc6 draw
8 Ra8 draw
9 Rb6 draw
10 Rc8 draw
11 Kb4 loss in 8 half-moves
12 Kb6 loss in 8 half-moves
13 Rd8 loss in 6 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Re8 loss in 1 half-moves