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 3 half-moves
4 Ka1 draw
5 Ka4 draw
6 Kaa2 draw
7 Kab2 draw
8 Kb3 draw
9 Kb4 draw
10 Kba2 draw
11 Kbb2 draw
12 Kc1 draw
13 Kc2 draw
14 Rd4 draw
15 Rh1 draw
16 Rh2 draw
17 Rh3 draw
18 Rh8 draw
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 Rh7 loss in 2 half-moves