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