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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Ra1 draw
3 Rc1 draw
4 Rd6 draw
5 Rd7 draw
6 Rd8 draw
7 Rg1 draw
8 Rh1 draw
9 K3b3 loss in 2 half-moves
10 K3b4 loss in 2 half-moves
11 K4b3 loss in 2 half-moves
12 K4b4 loss in 2 half-moves
13 Ka2 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves