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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Kab3 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Kb2 win in 5 half-moves
5 Ra5 win in 5 half-moves
6 Ka5 draw
7 Kaa4 draw
8 Kb5 draw
9 Kba4 draw
10 Kbb3 draw
11 Ra4 draw
12 Ra6 draw
13 Ra8 draw
14 Rb7 draw
15 Rd7 draw
16 Rh7 draw
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves