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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ke7 loss in 2 half-moves
3 Ke8 loss in 2 half-moves
4 Kf7 loss in 2 half-moves
5 Kg7 loss in 2 half-moves
6 Kg8 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rb3 loss in 1 half-moves
16 Rb5 loss in 1 half-moves