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 Kb5 win in 7 half-moves
3 Kb6 win in 7 half-moves
4 K6a7 draw
5 K6b7 draw
6 K8a7 draw
7 K8b7 draw
8 Ka5 draw
9 Kb8 draw
10 Ra1 draw
11 Ra2 draw
12 Ra4 draw
13 Rb3 draw
14 Rc3 draw
15 Rd3 draw
16 Rf3 draw
17 Rh3 draw
18 Re3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves