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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kd7 draw
3 Ke7 draw
4 Kf7 draw
5 Kf8 draw
6 Ra8 draw
7 Rb6 draw
8 Rb7 draw
9 Rd8 draw
10 Kd8 loss in 8 half-moves
11 Rb5 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 1 half-moves