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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Rc3 draw
5 Rd3 draw
6 Re3 draw
7 Rf3 draw
8 Ka6 loss in 2 half-moves
9 Kaa8 loss in 2 half-moves
10 Kab7 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kba8 loss in 2 half-moves
13 Kbb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves