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

EGTB: win in 4 half-moves

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