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

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Kf7 loss in 2 half-moves
3 Kf8 loss in 2 half-moves
4 Kg7 loss in 2 half-moves
5 Kh7 loss in 2 half-moves
6 Kh8 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rb4 loss in 1 half-moves
16 Rb5 loss in 1 half-moves
17 Rb6 loss in 1 half-moves