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 Kc2 draw
3 Kd1 draw
4 Kd2 draw
5 Rb3 draw
6 Rf8 draw
7 Kb1 loss in 10 half-moves
8 Kb2 loss in 10 half-moves
9 Rb1 loss in 10 half-moves
10 Ra8 loss in 4 half-moves
11 Rh8 loss in 4 half-moves
12 Rb2 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves