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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kc7 draw
3 Kd7 draw
4 Ke8 draw
5 Rb7 draw
6 Kc8 loss in 4 half-moves
7 Rb5 loss in 4 half-moves
8 Rb6 loss in 4 half-moves
9 Ra8 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rb3 loss in 1 half-moves
14 Rb4 loss in 1 half-moves