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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Kab1 draw
4 Kd1 draw
5 Kd2 draw
6 Re8 draw
7 Rf8 draw
8 Rg1 draw
9 Rg6 draw
10 Rg7 draw
11 Rh8 draw
12 Ka2 loss in 2 half-moves
13 Kab2 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kcb1 loss in 2 half-moves
16 Kcb2 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rg2 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