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 5 half-moves
4 Rb5 win in 5 half-moves
5 Kaa7 draw
6 Kba7 draw
7 Kbb8 draw
8 Rg1 draw
9 Rg2 draw
10 Rg3 draw
11 Rg4 draw
12 Rg6 draw
13 Rh5 draw
14 Kab8 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves