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 Ra6 win in 3 half-moves
3 Kbb5 win in 5 half-moves
4 Kc5 win in 5 half-moves
5 Kaa4 draw
6 Kba4 draw
7 Kc4 draw
8 Ra8 draw
9 Rb7 draw
10 Rf7 draw
11 Ka3 loss in 2 half-moves
12 Kab5 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves