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 Rd2 draw
5 Rd4 draw
6 Rd5 draw
7 Rd6 draw
8 Rg1 draw
9 Rh1 draw
10 K6b6 loss in 2 half-moves
11 K6b7 loss in 2 half-moves
12 K7b6 loss in 2 half-moves
13 K7b7 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Ka8 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves