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

EGTB: win in 2 half-moves

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