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 Kb3 draw
3 Kc3 draw
4 Kc4 draw
5 Kc5 draw
6 Ra7 draw
7 Rb6 draw
8 Rc7 draw
9 Ka5 loss in 34 half-moves
10 Kb5 loss in 34 half-moves
11 Ka3 loss in 6 half-moves
12 Ka4 loss in 6 half-moves
13 Rd7 loss in 4 half-moves
14 Rb5 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rf7 loss in 1 half-moves