Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Rg1 draw
3 Rg2 draw
4 Rg3 draw
5 Rg8 draw
6 Rh4 draw
7 K4b4 loss in 2 half-moves
8 K4b5 loss in 2 half-moves
9 K4d4 loss in 2 half-moves
10 K4d5 loss in 2 half-moves
11 K5b4 loss in 2 half-moves
12 K5b5 loss in 2 half-moves
13 K5d4 loss in 2 half-moves
14 K5d5 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rg7 loss in 2 half-moves