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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Ra1 win in 5 half-moves
4 Kg3 draw
5 Kgg1 draw
6 Kgh2 draw
7 Kh3 draw
8 Khg1 draw
9 Khh2 draw
10 Ra5 draw
11 Ra6 draw
12 Ra8 draw
13 Re7 draw
14 Rf7 draw
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves