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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb5 draw
3 Ra7 draw
4 Rb5 draw
5 Re7 draw
6 Rf7 draw
7 Rg7 draw
8 Rh7 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 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves