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 Rb4 draw
3 Rc5 draw
4 Rc6 draw
5 Rc7 draw
6 Rc8 draw
7 Rf4 draw
8 Rc1 loss in 4 half-moves
9 Kg6 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Kg8 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 Kh8 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Re4 loss in 1 half-moves