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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Kb5 draw
5 Rg5 draw
6 Rg6 draw
7 Ka6 loss in 4 half-moves
8 Kb6 loss in 4 half-moves
9 Rg3 loss in 4 half-moves
10 Rg7 loss in 4 half-moves
11 Rg8 loss in 4 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rg1 loss in 1 half-moves
19 Rg2 loss in 1 half-moves