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 Ra4 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Rf4 win in 3 half-moves
5 Rh4 win in 3 half-moves
6 Re1 draw
7 Re2 draw
8 Kc4 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kdd4 loss in 2 half-moves
12 Kdd6 loss in 2 half-moves
13 Kde6 loss in 2 half-moves
14 Ked4 loss in 2 half-moves
15 Ked6 loss in 2 half-moves
16 Kee6 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re3 loss in 2 half-moves