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 Re6 draw
3 Re7 draw
4 Re8 draw
5 Kb2 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kcd2 loss in 2 half-moves
11 Kcd3 loss in 2 half-moves
12 Kcd4 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ked2 loss in 2 half-moves
15 Ked3 loss in 2 half-moves
16 Ked4 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves