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