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 Kc3 draw
3 Kc5 draw
4 Kd5 draw
5 Rb4 draw
6 Rd8 draw
7 Kb3 loss in 4 half-moves
8 Kb4 loss in 4 half-moves
9 Kb5 loss in 4 half-moves
10 Kd3 loss in 4 half-moves
11 Kd4 loss in 4 half-moves
12 Ra8 loss in 4 half-moves
13 Rc8 loss in 4 half-moves
14 Re8 loss in 4 half-moves
15 Rb2 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 Rb7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rf8 loss in 1 half-moves