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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kb2 draw
3 Kc1 draw
4 Kd2 draw
5 Rb4 draw
6 Rh8 draw
7 Rb2 loss in 20 half-moves
8 Kb1 loss in 18 half-moves
9 Ra8 loss in 18 half-moves
10 Rf8 loss in 14 half-moves
11 Kd1 loss in 6 half-moves
12 Kb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves