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 Re8 win in 1 half-moves
3 Rf8 win in 1 half-moves
4 Kb6 draw
5 Kb7 draw
6 Kc6 draw
7 Kc8 draw
8 Ra8 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb7 draw
15 Rc8 draw
16 Rd8 draw
17 Rg8 draw
18 Rh8 draw
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves