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 Rf1 draw
3 Rg5 draw
4 Rg6 draw
5 Rg7 draw
6 Rg8 draw
7 Kb2 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kcc2 loss in 2 half-moves
13 Kcd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kdc2 loss in 2 half-moves
17 Kdd2 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh1 loss in 2 half-moves