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 Ka3 draw
3 Kaa1 draw
4 Kab2 draw
5 Kb3 draw
6 Kba1 draw
7 Kbb2 draw
8 Kc1 draw
9 Ra7 draw
10 Rb6 draw
11 Rb8 draw
12 Rc7 draw
13 Rh7 draw
14 Kc2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves