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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Rg1 win in 5 half-moves
4 Rg2 win in 5 half-moves
5 Kb1 draw
6 Kcd2 draw
7 Kdd2 draw
8 Ke1 draw
9 Ke2 draw
10 Rc8 draw
11 Rf8 draw
12 Rg6 draw
13 Rg7 draw
14 Rh8 draw
15 Kb2 loss in 2 half-moves
16 Kcc2 loss in 2 half-moves
17 Kdc2 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves