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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Ra8 win in 3 half-moves
4 Ka2 win in 7 half-moves
5 Kb2 win in 7 half-moves
6 Kb7 win in 7 half-moves
7 Ka6 draw
8 Ka7 draw
9 Kb1 draw
10 Kb5 draw
11 Kc6 draw
12 Kc7 draw
13 Rb7 draw
14 Rc8 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves