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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rg1 win in 5 half-moves
3 Rg2 win in 5 half-moves
4 Rd8 draw
5 Re8 draw
6 Rf8 draw
7 Rg4 draw
8 Rg5 draw
9 Rh8 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kcc2 loss in 2 half-moves
14 Kcd1 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kdc2 loss in 2 half-moves
17 Kdd1 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rg7 loss in 2 half-moves