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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rh4 win in 3 half-moves
3 Rf4 win in 5 half-moves
4 Ra4 draw
5 Rd1 draw
6 Rd2 draw
7 Rd6 draw
8 Re4 draw
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kgg1 loss in 2 half-moves
14 Kgh2 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Khg1 loss in 2 half-moves
17 Khh2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Rd8 loss in 2 half-moves