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 K3b3 loss in 2 half-moves
3 K3b4 loss in 2 half-moves
4 K4b3 loss in 2 half-moves
5 K4b4 loss in 2 half-moves
6 Ka2 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves