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 Rg5 win in 3 half-moves
3 Rg6 win in 3 half-moves
4 Rd2 draw
5 Re2 draw
6 Rf2 draw
7 Rg3 draw
8 Rg7 draw
9 Rg8 draw
10 Rh2 draw
11 Ka4 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ke6 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rg1 loss in 2 half-moves