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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Kaa2 draw
4 Kaa4 draw
5 Kab2 draw
6 Kba2 draw
7 Kba4 draw
8 Kbb2 draw
9 Kc2 draw
10 Kc3 draw
11 Kc4 draw
12 Ra4 draw
13 Rb5 draw
14 Rb7 draw
15 Rb8 draw
16 Rc4 draw
17 Rd4 draw
18 Rh4 draw
19 Re4 loss in 1 half-moves
20 Rg4 loss in 1 half-moves