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 Rg5 draw
3 Rg6 draw
4 Rg8 draw
5 Kb1 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kb3 loss in 2 half-moves
8 Kc1 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh2 loss in 2 half-moves