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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rg8 draw
3 Rb1 loss in 8 half-moves
4 Kb5 loss in 6 half-moves
5 Kc5 loss in 6 half-moves
6 Ra1 loss in 6 half-moves
7 Rc1 loss in 4 half-moves
8 Rd1 loss in 4 half-moves
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg5 loss in 1 half-moves
20 Rg6 loss in 1 half-moves
21 Rg7 loss in 1 half-moves
22 Rh1 loss in 1 half-moves