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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Rb2 draw
6 Rb4 draw
7 Rc8 draw
8 Rb3 loss in 18 half-moves
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rd8 loss in 2 half-moves