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

EGTB: win in 4 half-moves

# move score
1 Rd2 win in 3 half-moves
2 Rg4 draw
3 Rg6 draw
4 Rg7 draw
5 Rg8 draw
6 Rh2 draw
7 K1b1 loss in 2 half-moves
8 K1b2 loss in 2 half-moves
9 K1d1 loss in 2 half-moves
10 K1d2 loss in 2 half-moves
11 K2b1 loss in 2 half-moves
12 K2b2 loss in 2 half-moves
13 K2d1 loss in 2 half-moves
14 K2d2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg5 loss in 2 half-moves