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 Ra8 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kcc2 loss in 2 half-moves
10 Kcd2 loss in 2 half-moves
11 Kd1 loss in 2 half-moves
12 Kdc2 loss in 2 half-moves
13 Kdd2 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves
25 Kc4 loss in 1 half-moves
26 Kd4 loss in 1 half-moves
27 Ke4 loss in 1 half-moves