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