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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rd4 draw
3 Rf4 draw
4 Rh2 loss in 10 half-moves
5 Rh3 loss in 10 half-moves
6 Rh1 loss in 4 half-moves
7 Ka2 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Re4 loss in 1 half-moves
19 Rh7 loss in 1 half-moves