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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kc6 draw
3 Ra8 draw
4 Rb4 draw
5 Rb5 draw
6 Rh8 draw
7 Rc8 loss in 10 half-moves
8 Kb5 loss in 8 half-moves
9 Kb6 loss in 8 half-moves
10 Kb4 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves