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 Rb6 draw
4 Rb7 draw
5 K6a7 loss in 2 half-moves
6 K8a7 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 K6b7 loss in 1 half-moves
17 K8b7 loss in 1 half-moves
18 Kb5 loss in 1 half-moves
19 Kb6 loss in 1 half-moves
20 Rb5 loss in 1 half-moves