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

EGTB: win in 52 half-moves

# move score
1 Rh4 win in 51 half-moves
2 Rf4 win in 53 half-moves
3 Rg4 win in 53 half-moves
4 Re4 win in 55 half-moves
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Rd4 draw
9 Ka5 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kba7 loss in 2 half-moves
16 Kbb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves