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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rd5 win in 1 half-moves
3 Rf5 win in 1 half-moves
4 Rc5 draw
5 Re5 draw
6 Ka5 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kaa6 loss in 2 half-moves
9 Kab7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kba6 loss in 2 half-moves
12 Kbb7 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Kc5 loss in 1 half-moves