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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rh1 win in 3 half-moves
3 Kg6 win in 5 half-moves
4 Rf1 win in 5 half-moves
5 Rd6 win in 7 half-moves
6 Kf6 draw
7 Kf7 draw
8 Kf8 draw
9 Kgg8 draw
10 Kgh7 draw
11 Kh6 draw
12 Khg8 draw
13 Khh7 draw
14 Rc1 draw
15 Rd2 draw
16 Rd3 draw
17 Rd4 draw
18 Rd5 draw
19 Re1 draw
20 Ra1 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Rd8 loss in 2 half-moves