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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Kaa2 draw
3 Kab2 draw
4 Kba2 draw
5 Kbb2 draw
6 Kc1 draw
7 Kc2 draw
8 Ra4 draw
9 Rb3 draw
10 Rb8 draw
11 Rg4 draw
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves