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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kcd7 win in 5 half-moves
3 Kcc7 draw
4 Kdc7 draw
5 Kdd7 draw
6 Ra8 draw
7 Rb1 draw
8 Rb5 draw
9 Rb6 draw
10 Rb7 draw
11 Ke7 loss in 1 half-moves
12 Ke8 loss in 1 half-moves
13 Rb2 loss in 1 half-moves
14 Rb3 loss in 1 half-moves
15 Rb4 loss in 1 half-moves