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 Ka1 draw
3 Ka2 draw
4 Kbb2 draw
5 Kbc2 draw
6 Kcb2 draw
7 Kcc2 draw
8 Kd1 draw
9 Kd2 draw
10 Rb4 draw
11 Rf4 draw
12 Rg4 draw
13 Rh1 draw
14 Rh2 draw
15 Rh3 draw
16 Rh8 draw
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves