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 Rf1 draw
3 Rf2 draw
4 Rf8 draw
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kab5 loss in 2 half-moves
8 Kab6 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kcb5 loss in 2 half-moves
14 Kcb6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rh4 loss in 2 half-moves