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 Kb3 draw
3 Ra1 draw
4 Ra2 draw
5 Ra3 draw
6 Rc7 draw
7 Kb1 loss in 12 half-moves
8 Ka1 loss in 10 half-moves
9 Ka2 loss in 10 half-moves
10 Ka3 loss in 10 half-moves
11 Rb7 loss in 10 half-moves
12 Kc1 loss in 4 half-moves
13 Kc2 loss in 4 half-moves
14 Kc3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rf7 loss in 1 half-moves