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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb2 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Ka3 draw
5 Kaa1 draw
6 Kab2 draw
7 Kb3 draw
8 Kba1 draw
9 Kbb2 draw
10 Kc1 draw
11 Kc2 draw
12 Ra4 draw
13 Rc4 draw
14 Rd4 draw
15 Rh4 draw
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves