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