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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka3 draw
3 Ka5 draw
4 Rb3 draw
5 Rb7 draw
6 Rc8 draw
7 Kb3 loss in 4 half-moves
8 Kb4 loss in 4 half-moves
9 Kb5 loss in 4 half-moves
10 Ra8 loss in 4 half-moves
11 Re8 loss in 4 half-moves
12 Rb2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rf8 loss in 1 half-moves