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 Rc4 win in 1 half-moves
3 Rf3 win in 1 half-moves
4 Kc1 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kd1 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Ke1 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Ke3 loss in 1 half-moves
20 Re3 loss in 1 half-moves
21 Rg3 loss in 1 half-moves