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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ra6 draw
3 Rc6 draw
4 Rd6 draw
5 Re1 draw
6 Re2 draw
7 Re3 draw
8 Re4 draw
9 Re8 draw
10 Rf6 draw
11 Rg6 draw
12 Rh6 draw
13 Ka1 loss in 4 half-moves
14 Ka3 loss in 2 half-moves
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re7 loss in 2 half-moves