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

EGTB: win in 6 half-moves

# move score
1 Ra2 win in 5 half-moves
2 Rd7 draw
3 K3b3 loss in 2 half-moves
4 K3b4 loss in 2 half-moves
5 K4b3 loss in 2 half-moves
6 K4b4 loss in 2 half-moves
7 Ka2 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves