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

EGTB: win in 46 half-moves

# move score
1 Kb7 win in 45 half-moves
2 Ra8 draw
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Kcc7 loss in 2 half-moves
7 Kcd7 loss in 2 half-moves
8 Kdc7 loss in 2 half-moves
9 Kdd7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves