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 Ka1 draw
4 Ka3 draw
5 Kb1 draw
6 Kb2 draw
7 Kb3 draw
8 Kd1 draw
9 Kd2 draw
10 Kd3 draw
11 Ke1 draw
12 Ke3 draw
13 Kf1 draw
14 Kf2 draw
15 Kf3 draw
16 Rc4 draw
17 Rd4 draw
18 Rh1 draw
19 Rh2 draw
20 Rh3 draw
21 Rh5 draw
22 Rh6 draw
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves