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 K2b3 draw
3 K2c3 draw
4 K2d3 draw
5 K4b3 draw
6 K4c3 draw
7 K4d3 draw
8 Rd3 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves