Serbian tennis players Novak Đoković, Ana Ivanović, Jelena Janković, Nenad Zimonjić, Janko Tipsarević and Viktor Troicki are very successful and their success has led to a popularisation of tennis in Serbia.

Janko Tipsarević, Viktor Troicki, Jelena Janković and Ana Ivanović are also successful.

* Y. Berkovich and Z. Janko, Groups of Prime Power Order, Volume 2, W. de Gruyter, Berlin, 2008.

* Janko groups J < sub > 1 </ sub >, J < sub > 2 </ sub > or HJ, J < sub > 3 </ sub > or HJM, J < sub > 4 </ sub >

At the same time, Janko also predicted the existence of J < sub > 2 </ sub > and J < sub > 3 </ sub >.

It is also known as J < sub > 2 </ sub >, HJ, or the Hall – Janko – Wales group.

Twente recovered from 2 – 0 down to defeat Ajax 3 – 2 in extra time with a winner from Marc Janko, which claimed the club's third KNVB Cup title.

The Hall – Janko graph was originally constructed by D. Wales to establish the existence of the Hall-Janko group as an index 2 subgroup of its automorphism group.

Youzhny went on to finally reach the quarter-finals of Wimbledon ( winning his first fourth round match in 7 attempts ), defeating No. 8 seed Janko Tipsarević along the way and eventually losing to Roger Federer 1 – 6, 2 – 6, 2 – 6.

They have involution centralizers of the form Z / 2Z × PSL ( 2, q ) for q = 3 < sup > n </ sup >, and by investigating groups with an involution centralizer of the similar form Z / 2Z × PSL ( 2, 5 ) Janko found the sporadic group J < sub > 1 </ sub >.

Walter's theorem shows that the only other non-abelian finite simple groups with abelian Sylow 2-subgroups are the projective special linear groups in dimension 2 and the Janko group J1.

They have involution centralizers of the form Z / 2Z × PSL < sub > 2 </ sub >( q ), and by investigating groups with an involution centralizer of the similar form Z / 2Z × PSL < sub > 2 </ sub >( 5 ) Janko found the sporadic group J < sub > 1 </ sub >.

* Janko Tipsarević: 4 – 2

* Wicki. org. uk, free UK site containing Java, Flash, and PC applications to enable users to play their alpha-numeric keyboard to sound 12 equal tempered pitches using Wicki / Hayden or Janko layout.

Featuring Justin and Josh on guitar and vocals, Adrianne on keyboard and vocals, Jim on bass and Janko on drums, The Anniversary developed and refined their signature sound – sentimental guy / girl vocals, complemented by dueling guitar lines, with synth pop overlays and catchy choruses – with heavy touring throughout the Midwestern United States in 1997 – 1999.

Moša Pijade ( Serbian Cyrillic: Мoшa Пиjaдe ; Belgrade, January 4, 1890 – Paris, March 15, 1957 ), nicknamed Čiča Janko ( Чича Јанко ) was a prominent Yugoslavian / Serbian Communist of Sephardic Jewish origin, a close collaborator of Josip Broz Tito, former President of Yugoslavia, and full member of the Serbian Academy of Sciences and Arts.

He then clinched his first title in 2009 at the 2009 Kremlin Cup where he defeated Janko Tipsarević 6 – 7 ( 5 ), 6 – 0, 6 – 4.

Janko Tipsarević defeated Wang Yeu-tzuoo 3 – 6, 7 – 5, 6 – 0

At the Tier I Pacific Life Open in Indian Wells, California, Davenport lost in the quarterfinals to Jelena Janković, 6 – 2, retired.

She then defeated Janković in the semifinals 6 – 2, 6 – 2.

At Stuttgart, she reached her third final of the season, after an impressive run, beating Barbora Záhlavová-Strýcová, Patty Schnyder, Li Na and Victoria Azarenka in straight sets but failed to win the title, this time losing to Jelena Janković, the World No. 2 6 – 4, 6 – 3.

1 Janković, 2 – 6, 6 – 3, 6 – 4.

1 Jelena Janković, 6 – 1, 2 – 6, 6 – 4, in the semifinals, and current world no.

2 Jelena Janković in the quarterfinals.

Janković was capped 30 times for the Bulgarian national team, scoring 2 goals.

She was also five-time semifinalist on four different surfaces: on hardcourt at Gold Coast, losing to Schnyder in 3 sets and later that year again on hardcourt at Seoul, losing to Jelena Janković in three sets ; on carpet at Paris Indoors, which was her second straight semifinalthere, losing the third set tie-break against Dinara Safina ; clay at Charleston, where she secured her third career Top 10 victory versus No. 8 Venus Williams en route to her first Tier I semifinal, before falling to Justine Henin-Hardenne in 2 sets ; and grass at Birmingham, losing to Maria Sharapova.

Golovin returned to action at the Rogers Cup in Toronto, Canada where she reached the semifinals, eventually losing to Jelena Janković by a score of 5 – 7, 6 – 3, 6 – 2.

Jelena Janković defeated Sofia Arvidsson 6 – 2, 6 – 1

Following that, Šafářová played the Sony Ericcson Open, where she lost, 2 – 6, 1 – 6, in the third round to fourth seed Jelena Janković.

She won the title by defeating Ayumi Morita 7 – 6, 6 – 3, Melanie Oudin 7 – 5, 6 – 4, Jelena Janković 3 – 6, 7 – 6, 6 – 3, saving two match points in the second set, Samantha Stosur in the semifinals 6 – 3, 1 – 6, 6 – 1, and second seed Venus Williams in the finals 6 – 2, 5 – 7, 6 – 4, to win her second title of the year and fifth overall.

In the quarterfinals, she defeated 12th seed and defending champion Vera Zvonareva, 6 – 2, 7 – 6, to move through to her first semifinal at the tournament, where she lost to eventual champion Jelena Janković, 2 – 6, 4 – 6, with Stosur making 47 unforced errors in the match.

During the 2009 China Open, after beating qualifier Yaroslava Shvedova 6 – 2 6 – 3, Peng went on to beat 2008 China Open champion and former world number 1 Jelena Janković 4 – 6 7 – 5 6 – 2 in a thrilling encounter, after Janković picked up a wrist injury in the latter stages of the match.

In the grass court season, Chakvetadze was able to raise her game in the first round in Eastbourne, where she defeated a third seeded Jelena Janković 6 – 7 ( 5 ), 6 – 3, 6 – 2.

* Dražen Janković ( seasons 2 and 3 )

Janković was the highest scoring foreign player during the 2000 / 2001 and 2001 / 2002 A PFG seasons, managing 13 goals in each of them.

* Đeneral Janković / Hani e Elezit

She suffered the worst defeat of her career in the quarterfinals, losing to World No. 4 Jelena Janković 6 – 0, 6 – 1.

At the US Open, Maria Sharapova defeated Henin in the final after Henin had defeated Lindsey Davenport in the quarterfinals and Jelena Janković in the semifinals 4 – 6, 6 – 4, 6 – 0.

Later, at the Qatar Telecom German Open in Berlin, Henin won her quarterfinal against Jelena Janković 3 – 6, 6 – 4, 6 – 4 after being behind 4 – 0 in the third set, only to lose her semifinal against Kuznetsova 6 – 4, 5 – 7, 6 – 4.

Bringing an 8 – 10 win-loss record to the beginning of the grass court season, Myskina managed to turn it around at Wimbledon by reaching her career-first quarterfinal at the event with three comeback wins over Jelena Janković ( from a 1 – 5 final set deficit ), and over Dementieva ( being 1 – 6, 0 – 3 down and facing match points in the second set tiebreak ).

Molik lost in the 1st round of 2010 French Open to Janković 6 – 0 6 – 4.

She was 0 – 5 during the year versus players ranked in the top 10 at the time the matches were played, with losses to Ivanovic, Sharapova, Janković, and Vera Zvonareva ( twice ).

The following week, she reached the semifinals of the Porsche Tennis Grand Prix in Stuttgart beating two top 10 players, Jelena Janković and Nadia Petrova, but fell to World No. 1 player Dinara Safina 3 – 6, 7 – 5, 6 – 0.

Bartoli lost 0 – 6, 0 – 6 to Justine Henin, who avenged her shock Wimbledon defeat to Bartoli, but Bartoli defeated Jelena Janković, 6 – 1, 1 – 0, after the Serbian retired.