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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg2 win in 5 half-moves
3 Rg4 win in 5 half-moves
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rg3 draw
8 Rh8 draw
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 K2c3 loss in 1 half-moves
26 K2d3 loss in 1 half-moves
27 K2e3 loss in 1 half-moves
28 K4c3 loss in 1 half-moves
29 K4d3 loss in 1 half-moves
30 K4e3 loss in 1 half-moves