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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Kc8 win in 1 half-moves
3 Kd8 win in 1 half-moves
4 Re6 win in 1 half-moves
5 Re7 win in 1 half-moves
6 Re8 win in 1 half-moves
7 Rb2 loss in 8 half-moves
8 Rc2 loss in 4 half-moves
9 Rd2 loss in 4 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 1 half-moves