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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ra1 win in 5 half-moves
3 Rc1 draw
4 Rd1 draw
5 Re1 draw
6 Rf1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 K5b5 loss in 2 half-moves
12 K5b6 loss in 2 half-moves
13 K6b5 loss in 2 half-moves
14 K6b6 loss in 2 half-moves
15 Ka4 loss in 2 half-moves
16 Ka7 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh1 loss in 2 half-moves