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 Rh4 win in 1 half-moves
3 Kb6 draw
4 Kd6 draw
5 Ra4 draw
6 Rb4 draw
7 Re4 draw
8 Rf4 draw
9 Kb5 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kg7 loss in 1 half-moves
16 Kg8 loss in 1 half-moves
17 Kh7 loss in 1 half-moves
18 Rc1 loss in 1 half-moves
19 Rc2 loss in 1 half-moves
20 Rc3 loss in 1 half-moves
21 Rc5 loss in 1 half-moves
22 Rd4 loss in 1 half-moves