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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rg5 win in 1 half-moves
3 Kb5 win in 3 half-moves
4 Ra1 draw
5 Ka1 loss in 2 half-moves
6 Ka2 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves