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 Re2 draw
5 Rf2 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 Rg7 draw
10 K1b1 loss in 2 half-moves
11 K1b2 loss in 2 half-moves
12 K2b1 loss in 2 half-moves
13 K2b2 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh2 loss in 2 half-moves