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 Rb5 win in 1 half-moves
3 Rg8 win in 1 half-moves
4 Rb2 draw
5 Rb3 draw
6 K1b1 loss in 2 half-moves
7 K2b1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 K1b2 loss in 1 half-moves
19 K2b2 loss in 1 half-moves
20 Kb3 loss in 1 half-moves