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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kb5 draw
3 Kc4 draw
4 Kc5 draw
5 Ra8 draw
6 Rb7 draw
7 Rf8 draw
8 Ka3 loss in 8 half-moves
9 Ka4 loss in 8 half-moves
10 Ka5 loss in 6 half-moves
11 Rh8 loss in 4 half-moves
12 Kb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves