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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Kcc1 draw
7 Kcc3 draw
8 Kcd1 draw
9 Kcd3 draw
10 Kdc1 draw
11 Kdc3 draw
12 Kdd1 draw
13 Kdd3 draw
14 Ke1 draw
15 Ke2 draw
16 Ke3 draw
17 Ra6 draw
18 Rg2 draw
19 Rg4 draw
20 Rg5 draw
21 Rh6 draw
22 Rb6 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rg8 loss in 2 half-moves