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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ka2 draw
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb1 draw
7 Kb2 draw
8 Kb7 draw
9 Kc5 draw
10 Kc6 draw
11 Kc7 draw
12 Rb5 draw
13 Rc5 draw
14 Rd5 draw
15 Re5 draw
16 Rf4 draw
17 Rf6 draw
18 Rf7 draw
19 Rf8 draw
20 Kb5 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves