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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka3 draw
3 Rc6 draw
4 Rh6 draw
5 K1b1 loss in 2 half-moves
6 K1b2 loss in 2 half-moves
7 K2b1 loss in 2 half-moves
8 K2b2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves