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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rd6 draw
3 Re6 draw
4 Rf6 draw
5 K1a2 loss in 2 half-moves
6 K1b2 loss in 2 half-moves
7 K3a2 loss in 2 half-moves
8 K3b2 loss in 2 half-moves
9 Ka4 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves