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 Re1 draw
3 Re2 draw
4 Re3 draw
5 Re8 draw
6 Ka3 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Kaa4 loss in 2 half-moves
9 Kab5 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kba4 loss in 2 half-moves
13 Kbb5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves