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 Rd4 draw
4 Re4 draw
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kdd2 loss in 2 half-moves
9 Kde2 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ked2 loss in 2 half-moves
12 Kee2 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Kd4 loss in 1 half-moves
25 Ke4 loss in 1 half-moves
26 Kf4 loss in 1 half-moves
27 Rf4 loss in 1 half-moves