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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Re8 draw
3 Kg4 loss in 2 half-moves
4 Kg5 loss in 2 half-moves
5 Kg6 loss in 2 half-moves
6 Kh4 loss in 2 half-moves
7 Kh6 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves