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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Rd1 draw
3 Rf1 draw
4 Rg4 draw
5 Rg5 draw
6 Rg6 draw
7 Rg7 draw
8 Kb1 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kcc2 loss in 2 half-moves
12 Kcd1 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kdc2 loss in 2 half-moves
15 Kdd1 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh1 loss in 2 half-moves