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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ke1 draw
3 Ra1 draw
4 Rb6 draw
5 Rb7 draw
6 Kb2 loss in 2 half-moves
7 Kcc2 loss in 2 half-moves
8 Kcd2 loss in 2 half-moves
9 Kdc2 loss in 2 half-moves
10 Kdd2 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves