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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Ra6 draw
3 Rb5 draw
4 Kg2 loss in 2 half-moves
5 Kg3 loss in 2 half-moves
6 Kg4 loss in 2 half-moves
7 Kh2 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves