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