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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Rc5 win in 5 half-moves
6 Kaa7 draw
7 Kab8 draw
8 Kba7 draw
9 Kbb8 draw
10 Rd5 draw
11 Rh1 draw
12 Rh2 draw
13 Rh3 draw
14 Rh4 draw
15 Rh6 draw
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh7 loss in 2 half-moves
23 Rh8 loss in 2 half-moves