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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Kb1 win in 5 half-moves
3 Kd1 win in 5 half-moves
4 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Rf4 draw
11 Rg1 draw
12 Rg3 draw
13 Rg8 draw
14 Rh4 draw
15 Ka2 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves