Khipha amagama emiqhudelwano emine ye-Grand Slam bese uwabala ngokusebenzisa izinhlamvu. Faka phakathi izinyanga zonyaka lapho umdlalo ngamunye udlalwa khona.
Context:I-Grand Slam ku-tennis impumelelo yokuwina yonke imincintiswano emine emikhulu emkhakheni owodwa ngonyaka wekhalenda, obizwa nangokuthi "Unyaka wekhalenda Grand Slam" noma "Ikhalenda Slam". Emibhangqwaneni, iqembu lingase lifinyelele iGrand Slam lidlala ndawonye noma umdlali angase alifinyelele nabalingani abahlukene. Ukunqoba yonke imincintiswano emine emikhulu ngokulandelana kodwa hhayi ngonyaka owodwa kukhulunywa ngokuthi "i-Grand Slam engekho ekhalendeni", ngenkathi kunqoba ama-majors amane nganoma yisiphi isikhathi phakathi nomsebenzi owaziwa ngokuthi "Career Grand Slam".  I-Grand Slam tournaments, ebizwa nangokuthi ama-majors, iyimidlalo emine ebaluleke kakhulu yonyaka yomdlalo wethenisi. Banikeza amaphuzu amaningi, umklomelo wemali, ukunakwa ngumphakathi nabezindaba, amandla amakhulu kanye nosayizi wenkundla, nemidlalo emide kakhulu kwabesilisa (okungcono kunamasethi amahlanu, okungcono kunamathathu kwabesifazane). Le miqhudelwano iqondiswa yi-International Tennis Federation (ITF), kunezindikimba ezihlukile ezihlela ukuvakasha kwabesilisa nabesifazane, i-Association of Tennis Professionals (ATP) kanye ne-Women's Tennis Association (WTA), kepha zombili i-ATP ne-WTA zinikeza amaphuzu okubalwa ngokususelwa ekusebenzeni kwabadlali kuzo.  Imidlalo emine yeGrand Slam yi-Australian Open ngoJanuwari, i-French Open kusukela ekupheleni kukaMeyi kuya ekuqaleni kukaJuni, iWimbledon kusukela ekupheleni kukaJuni kuya ekuqaleni kukaJulayi, ne-US Open ngo-Agasti kuya kuSeptemba, ngayinye edlalwa amasonto amabili. Imincintiswano yase - Australia neyase - United States idlalwa enkundleni eqinile, eyaseFrance edlalwa ngodaka, kanti eyaseWimbledon idlalwa ngotshani. I-Wimbledon iyona mqhudelwano omdala kunayo yonke, eyasungulwa ngo-1877, ilandelwa yi-US ngo-1881, iFrance ngo-1891, ne-Australia ngo-1905, kodwa kwaze kwaba ngo-1925 lapho yonke le midlalo emine yabanjwa njengama-majors agunyazwe ngokusemthethweni.
• I-Australian Open, ngoJanuwari • I-French Open, ngasekupheleni kuka-May kuya ekuqaleni kuka-June • EWimbledon, ngasekupheleni kukaJune kuya ekuqaleni kukaJuly • I - US Open, ngo - August - September