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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ra1 draw
3 Ra5 draw
4 Ra6 draw
5 Re2 draw
6 Rf2 draw
7 Rg2 draw
8 Rh2 draw
9 Kaa7 loss in 2 half-moves
10 Kab7 loss in 2 half-moves
11 Kba7 loss in 2 half-moves
12 Kbb7 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves