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 Re3 win in 3 half-moves
3 Rc3 win in 5 half-moves
4 Rd3 win in 5 half-moves
5 Ra3 draw
6 Rf3 draw
7 Rg1 draw
8 Rg7 draw
9 Rg8 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kcc5 loss in 2 half-moves
14 Kcc7 loss in 2 half-moves
15 Kcd5 loss in 2 half-moves
16 Kcd7 loss in 2 half-moves
17 Kdc5 loss in 2 half-moves
18 Kdc7 loss in 2 half-moves
19 Kdd5 loss in 2 half-moves
20 Kdd7 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ke7 loss in 2 half-moves
24 Rg2 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
28 Rh3 loss in 2 half-moves