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 Re2 win in 1 half-moves
3 Rf6 win in 1 half-moves
4 Ka6 draw
5 Ra6 draw
6 Rb6 draw
7 Rc6 draw
8 Rd6 draw
9 Re1 draw
10 Re3 draw
11 Re7 draw
12 Rh6 draw
13 K7b7 loss in 1 half-moves
14 K7b8 loss in 1 half-moves
15 K8b7 loss in 1 half-moves
16 K8b8 loss in 1 half-moves
17 Re4 loss in 1 half-moves
18 Re5 loss in 1 half-moves
19 Re8 loss in 1 half-moves
20 Rg6 loss in 1 half-moves