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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Kba6 win in 5 half-moves
6 Kc6 win in 5 half-moves
7 Kaa6 draw
8 Kab5 draw
9 Kbb5 draw
10 Kc5 draw
11 Ra8 draw
12 Rf8 draw
13 Rg8 draw
14 Rh8 draw
15 Ka4 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves