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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 K1b2 draw
3 K2b2 draw
4 Ra4 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb7 draw
9 Rb8 draw
10 Rg4 draw
11 Rh4 draw
12 K2b1 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 K1b1 loss in 1 half-moves
16 Rb6 loss in 1 half-moves
17 Rc4 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Re4 loss in 1 half-moves
20 Rf4 loss in 1 half-moves