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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Re1 win in 1 half-moves
4 Re2 win in 1 half-moves
5 Re3 win in 1 half-moves
6 Re6 win in 1 half-moves
7 Re5 draw
8 Ka6 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Rc7 loss in 1 half-moves
15 Rd7 loss in 1 half-moves
16 Re4 loss in 1 half-moves
17 Re8 loss in 1 half-moves
18 Rf7 loss in 1 half-moves
19 Rg7 loss in 1 half-moves
20 Rh7 loss in 1 half-moves