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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Rd3 win in 3 half-moves
4 Ra3 draw
5 Rg1 draw
6 Rg2 draw
7 Rg4 draw
8 Rh3 draw
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kcc6 loss in 2 half-moves
13 Kcc8 loss in 2 half-moves
14 Kcd6 loss in 2 half-moves
15 Kcd8 loss in 2 half-moves
16 Kdc6 loss in 2 half-moves
17 Kdc8 loss in 2 half-moves
18 Kdd6 loss in 2 half-moves
19 Kdd8 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Ke8 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rg8 loss in 2 half-moves