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 Ka3 draw
3 Ka5 draw
4 Kb5 draw
5 Rb2 draw
6 Rb3 draw
7 Kb3 loss in 14 half-moves
8 Kb4 loss in 14 half-moves
9 Ra7 loss in 10 half-moves
10 Rb1 loss in 6 half-moves
11 Rc7 loss in 4 half-moves
12 Rd7 loss in 4 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rg7 loss in 1 half-moves