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