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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rg1 win in 5 half-moves
3 Rg2 win in 5 half-moves
4 Ka1 draw
5 Ka2 draw
6 Kb2 draw
7 Kbc1 draw
8 Kbc2 draw
9 Kd1 draw
10 Kdc1 draw
11 Kdc2 draw
12 Ke1 draw
13 Ke2 draw
14 Ke3 draw
15 Rd8 draw
16 Rf8 draw
17 Rg3 draw
18 Rg7 draw
19 Rh8 draw
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves