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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra6 draw
5 Rf5 draw
6 Rg5 draw
7 Rh5 draw
8 Ka1 loss in 2 half-moves
9 Ka2 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rd5 loss in 1 half-moves