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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rc4 win in 5 half-moves
4 Rd4 draw
5 Re4 draw
6 Rf4 draw
7 Rg1 draw
8 Rg2 draw
9 Rg5 draw
10 Ka6 loss in 2 half-moves
11 Kaa7 loss in 2 half-moves
12 Kab8 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kba7 loss in 2 half-moves
15 Kbb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh4 loss in 2 half-moves