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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rc2 draw
3 Rd2 draw
4 Rg4 draw
5 Rg5 draw
6 Rg6 draw
7 Rg7 draw
8 Rh2 draw
9 K2b2 loss in 2 half-moves
10 K2b3 loss in 2 half-moves
11 K3b2 loss in 2 half-moves
12 K3b3 loss in 2 half-moves
13 Ka1 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Kb1 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg8 loss in 2 half-moves