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 Ka5 draw
3 Kc5 draw
4 Ra8 draw
5 Rb6 draw
6 Rc8 draw
7 Rd8 draw
8 Kb5 loss in 12 half-moves
9 Ka4 loss in 10 half-moves
10 Kb3 loss in 10 half-moves
11 Ka3 loss in 8 half-moves
12 Rg8 loss in 4 half-moves
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 1 half-moves