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